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  <description>NOVA brings you short audio stories from the world of science -- anything from hurricanes to mummies to neutrinos. For more science programming online and on air, visit NOVA's Web site at pbs.org/nova, or watch NOVA broadcasts Tuesday nights on PBS.</description>
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  <pubDate>Mon, 29 Jun 2009 17:00:00 -0400</pubDate>
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<item><title>Cosmic Perspective: Carbon</title><description>As an astrophysicist, NOVA scienceNOW host Neil deGrasse Tyson has a unique view of the universe. Hear his “Cosmic Perspective” on the element carbon.

Audio editing by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</description><pubDate>Mon, 29 Jun 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_cosmic401_090629a.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_cosmic401_090629a.mp3" length="1078355" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090629-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Neil deGrasse Tyson gives his “Cosmic Perspective” on carbon.</itunes:subtitle><itunes:summary>As an astrophysicist, NOVA scienceNOW host Neil deGrasse Tyson has a unique view of the universe. Hear his “Cosmic Perspective” on the element carbon.

Audio editing by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS Neil deGrasse Tyson cosmic carbon</itunes:keywords><itunes:duration>2:31</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>A Bolt From the Blue</title><description>Neurologist and author Oliver Sacks has come across plenty of odd stories while studying the human brain, but none are quite as mysterious as that of his colleague, Tony Cicoria. In 1994, Cicoria was struck by lightning, and developed a sudden, inexplicable passion for playing and writing piano music. In this podcast, hear Sacks describe Cicoria's transformation.

Podcast produced by David Levin. Original interview by Dempsey Rice/Daughter One productions. Music by The New You. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, go to pbs.org/nova/musicminds</description><pubDate>Mon, 29 Jun 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_pod_boltfromblue_090629.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_pod_boltfromblue_090629.mp3" length="1538362" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090629-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Neurologist Oliver Sacks has heard lots of strange stories about the human brain--but none are quite as mysterious as Tony Cicoria's.</itunes:subtitle><itunes:summary>Neurologist and author Oliver Sacks has come across plenty of odd stories while studying the human brain, but none are quite as mysterious as that of his colleague, Tony Cicoria. In 1994, Cicoria was struck by lightning, and developed a sudden, inexplicable passion for playing and writing piano music. In this podcast, hear Sacks describe Cicoria's transformation.

Podcast produced by David Levin. Original interview by Dempsey Rice/Daughter One productions. Music by The New You. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, go to pbs.org/nova/musicminds</itunes:summary><itunes:keywords>science NOVA PBS Oliver Sacks Musicophelia music brain neuroscience piano</itunes:keywords><itunes:duration>3:34</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Pitch Perfect</title><description>Learning to sing like the pros isn't something you can do overnight. Over the last decade, though, recording studios have been fudging things a bit with software called Auto-Tune. It lets engineers change the pitch of sour notes. But can it make even hopeless amateurs sound decent? In this podcast, we enlisted the help of a few brave souls on the NOVA staff to find out.

Podcast produced by David Levin. Interviews by David Levin and Vin Liota. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation, the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</description><pubDate>Fri, 19 Jun 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_pitchperfect_090619.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_pitchperfect_090619.mp3" length="2036650" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090619-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Can a pitch correction software called Auto-Tune make even hopeless singers sound like pros?</itunes:subtitle><itunes:summary>Learning to sing like the pros isn't something you can do overnight. Over the last decade, though, recording studios have been fudging things a bit with software called Auto-Tune. It lets engineers change the pitch of sour notes. But can it make even hopeless amateurs sound decent? In this podcast, we enlisted the help of a few brave souls on the NOVA staff to find out.

Podcast produced by David Levin. Interviews by David Levin and Vin Liota. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation, the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS music Auto-Tune Hildebrand Antares pitch singing vocals</itunes:keywords><itunes:duration>4:47</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>A Life in Space</title><description>For a boy from Costa Rica, being an astronaut must have seemed like a pipe dream. But despite long odds, Franklin Chang-Diaz made the cut. In this podcast, he reflects on hurdles he's cleared on his path to space, and describes the sense of both danger and elation that comes with the job.

Podcast produced by David Levin. Interview by Josh Seftel. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</description><pubDate>Fri, 5 Jun 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_lifeinspace_090605.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_lifeinspace_090605.mp3" length="2209968" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090605-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Astronaut Franklin Chang-Diaz turned his boyhood dream into an improbable career.</itunes:subtitle><itunes:summary>For a boy from Costa Rica, being an astronaut must have seemed like a pipe dream. But despite long odds, Franklin Chang-Diaz made the cut. In this podcast, he reflects on hurdles he's cleared on his path to space, and describes the sense of both danger and elation that comes with the job.

Podcast produced by David Levin. Interview by Josh Seftel. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS space shuttle Franklin Chang-Diaz astronaut</itunes:keywords><itunes:duration>5:16</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Forgotten Genius: Who was my father?</title><description>Percy Julian was a groundbreaking African-American scientist in the 20th century. Long before the Civil Rights Movement, he pioneered a path in a field that was dominated by whites and plagued by racial prejudice. Yet few people today even know his name. In this podcast, Julian's late son, Percy Jr., describes his father's personality.

Podcast produced by David Levin and Susan Lewis. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "Forgotten Genius" is provided by the Alfred P. Sloan Foundation, the National Science Foundation, and the National Endowment for the Humanities.

To learn more, go to pbs.org/nova/julian.</description><pubDate>Mon, 1 Jun 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_rfd_julianjr_090601.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_rfd_julianjr_090601.mp3" length="1055508" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090601-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>In this podcast, the late son of African-American chemistry pioneer Percy Julian describes his experience with his father.</itunes:subtitle><itunes:summary>Percy Julian was a groundbreaking African-American scientist in the 20th century. Long before the Civil Rights Movement, he pioneered a path in a field that was dominated by whites and plagued by racial prejudice. Yet few people today even know his name. In this podcast, Julian's late son, Percy Jr., describes his father's personality.

Podcast produced by David Levin and Susan Lewis. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "Forgotten Genius" is provided by the Alfred P. Sloan Foundation, the National Science Foundation, and the National Endowment for the Humanities.

To learn more, go to pbs.org/nova/julian.</itunes:summary><itunes:keywords>science NOVA PBS Percy Julian chemistry African American cortisone history</itunes:keywords><itunes:duration>2:34</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Forgotten Genius: Percy Julian</title><description>Percy Julian was a groundbreaking African-American scientist in the 20th century. Long before the Civil Rights Movement, he pioneered a path in a field that was dominated by whites and plagued by racial prejudice. Yet few people today even know his name. In this podcast, hear an excerpt of a speech this forgotten genius gave at Indiana University in 1965.

Podcast produced by David Levin and Susan Lewis. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "Forgotten Genius" is provided by the Alfred P. Sloan Foundation, the National Science Foundation, and the National Endowment for the Humanities.

To learn more, go to pbs.org/nova/julian.</description><pubDate>Fri, 22 May 2009 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_rfd_julianspeaks_090522.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_rfd_julianspeaks_090522.mp3" length="1146948" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090522-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>In this podcast, hear an excerpt from a speech given by African-American chemistry pioneer Percy Julian in 1965.</itunes:subtitle><itunes:summary>Percy Julian was a groundbreaking African-American scientist in the 20th century. Long before the Civil Rights Movement, he pioneered a path in a field that was dominated by whites and plagued by racial prejudice. Yet few people today even know his name. In this podcast, hear an excerpt of a speech this forgotten genius gave at Indiana University in 1965.

Podcast produced by David Levin and Susan Lewis. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "Forgotten Genius" is provided by the Alfred P. Sloan Foundation, the National Science Foundation, and the National Endowment for the Humanities.

To learn more, go to pbs.org/nova/julian.</itunes:summary><itunes:keywords>science NOVA PBS Percy Julian chemistry African American cortisone history</itunes:keywords><itunes:duration>2:54</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Sexual Cannibalism</title><description>In this podcast, biologist Maydianne Andrade explains that sexual cannibalism-a gruesome mating behavior shown of Redback Spiders-is a prime example of how evolution works.

Podcast produced by David Levin. Interview by Josh Seftel. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</description><pubDate>Wed, 13 May 2009 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_andrade_090513a.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_andrade_090513a.mp3" length="1701990" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090513-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Biologist Madianne Andrade says that the gruesome mating behavior of some spiders is a lesson in evolution.</itunes:subtitle><itunes:summary>In this podcast, biologist Maydianne Andrade explains that sexual cannibalism-a gruesome mating behavior shown of Redback Spiders-is a prime example of how evolution works.

Podcast produced by David Levin. Interview by Josh Seftel. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS spiders maydianne andrade mating cannibalism </itunes:keywords><itunes:duration>4:32</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Insider Who Knew</title><description>NASA engineer Rodney Rocha, whose warnings and calls for action went unheeded, speaks out about the Columbia Space Shuttle disaster.

This podcast was produced by David Levin. Interview by Arun Rath. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/columbia</description><pubDate>Wed, 6 May 2009 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_rfd_columbia_090506a.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_rfd_columbia_090506a.mp3" length="2860546" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081008-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>NASA engineer Rodney Rocha speaks out about his efforts to prevent the Columbia Space Shuttle disaster.</itunes:subtitle><itunes:summary>NASA engineer Rodney Rocha, whose warnings and calls for action went unheeded, speaks out about the Columbia Space Shuttle disaster.

This podcast was produced by David Levin. Interview by Arun Rath. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/columbia</itunes:summary><itunes:keywords>science NOVA PBS Rocha Columbia shuttle NASA space accident</itunes:keywords><itunes:duration>6:45</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Speaking Ancient Maya</title><description>Anthropologist Barbara Macleod says that studying the ancient Maya language offers a unique window into the past.

Podcast produced by David Levin. Interview by Rima Chaddha. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "Cracking the Maya Code" is provided by the National Science Foundation and the National Endowment for the Humanities, with additional funding provided by The Solow Art and Architecture Foundation. 

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Any views, findings, conclusions, or recommendations expressed in this video podcast do not necessarily represent those of the National Endowment for the Humanities.

For more on translating ancient Maya, visit us online at pbs.org/nova/mayacode</description><pubDate>Thu, 30 Apr 2009 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_rfd_mayacode_090430a.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_rfd_mayacode_090430a.mp3" length="1874159" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090430-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Barbara MacLeod speaks Maya. As in, ancient Maya.</itunes:subtitle><itunes:summary>Anthropologist Barbara Macleod says that studying the ancient Maya language offers a unique window into the past.

Podcast produced by David Levin. Interview by Rima Chaddha. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "Cracking the Maya Code" is provided by the National Science Foundation and the National Endowment for the Humanities, with additional funding provided by The Solow Art and Architecture Foundation. 

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Any views, findings, conclusions, or recommendations expressed in this video podcast do not necessarily represent those of the National Endowment for the Humanities.

For more on translating ancient Maya, visit us online at pbs.org/nova/mayacode</itunes:summary><itunes:keywords>science, NOVA, Maya, Mayan, Barbara MacLeod, ancient Maya, archeology, linguistics</itunes:keywords><itunes:duration>4:19</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Global Warning</title><description>In this podcast, glaciologist Lonnie Thompson describes why global warming and melting glaciers could impact everything from drinking water supplies to the spread of infectious disease-and even political issues like refugees and terrorism.

Podcast produced by David Levin. Interview by Dana Rae Warren. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</description><pubDate>Tue, 28 Apr 2009 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_globalwarning_090428a.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_globalwarning_090428a.mp3" length="2242447" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090428-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Glaciologist Lonnie Thompson thinks the problems caused by global warming will be far from just environmental.</itunes:subtitle><itunes:summary>In this podcast, glaciologist Lonnie Thompson describes why global warming and melting glaciers could impact everything from drinking water supplies to the spread of infectious disease-and even political issues like refugees and terrorism.

Podcast produced by David Levin. Interview by Dana Rae Warren. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS glaciers warming climate Lonnie Thompson </itunes:keywords><itunes:duration>5:08</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>More Than Games</title><description>In this podcast, computer scientist Luis Von Ahn describes how tapping into the countless hours people spend playing games can help solve complex problems that stump computers.

Podcast produced by David Levin. Inteview by Josh Seftel. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</description><pubDate>Tue, 21 Apr 2009 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_morethangames_090421a.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_morethangames_090421a.mp3" length="1924260" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090421-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Can video gamers help solve big problems that stump computers?</itunes:subtitle><itunes:summary>In this podcast, computer scientist Luis Von Ahn describes how tapping into the countless hours people spend playing games can help solve complex problems that stump computers.

Podcast produced by David Levin. Inteview by Josh Seftel. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS Von Ahn CAPTCHA video games gamer computer GWAP </itunes:keywords><itunes:duration>4:23</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Tom and Ray Take Liberties</title><description>As producer Joe Seamans notes in this podcast, the hundreds of e-mails we've received from our audience for "Car of the Future" have been terrific, with great questions for the experts as well as ideas for alternative vehicles. There also have been a few, well, rather imaginative suggestions. Tom and Ray, naturally, couldn't help having a little fun with them. Listen in.

This podcast was produced by Susan Lewis and edited by David Levin. Interview by Joe Seamans. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Funding for the Car of the Future Open Production Web site is provided by The John D. and Catherine T. MacArthur Foundation.

To learn more, visit http://www.pbs.org/nova/car</description><pubDate>Wed, 15 Apr 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_pod_carofthefuture_refeed_20090415.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_pod_carofthefuture_refeed_20090415.mp3" length="1420907" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090415-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>If you ask Click and Clack for their candid opinion, you may get it.</itunes:subtitle><itunes:summary>As producer Joe Seamans notes in this podcast, the hundreds of e-mails we've received from our audience for "Car of the Future" have been terrific, with great questions for the experts as well as ideas for alternative vehicles. There also have been a few, well, rather imaginative suggestions. Tom and Ray, naturally, couldn't help having a little fun with them. Listen in.

This podcast was produced by Susan Lewis and edited by David Levin. Interview by Joe Seamans. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Funding for the Car of the Future Open Production Web site is provided by The John D. and Catherine T. MacArthur Foundation.

To learn more, visit http://www.pbs.org/nova/car</itunes:summary><itunes:keywords>science, NOVA, PBS, Click and Clack, Car Talk, Tom and Ray, Magliozzi, alternative vehicles, Car of the Future</itunes:keywords><itunes:duration>3:48</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Back To the Moon</title><description>In this podcast, David Morrison, interim director of NASA's Lunar Science Institute, discusses why he thinks it's important for humans to return to the Moon. 

Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</description><pubDate>Mon, 6 Apr 2009 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_backtothemoon_090403a.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nsn_a_pod_backtothemoon_090403a.mp3" length="2461731" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090406-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>In this interview, David Morrison of NASA's Lunar Science Institute discusses why it's important for humans to return to the Moon.</itunes:subtitle><itunes:summary>In this podcast, David Morrison, interim director of NASA's Lunar Science Institute, discusses why he thinks it's important for humans to return to the Moon. 

Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS space moon mars exploration NASA Morrison</itunes:keywords><itunes:duration>6:02</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Photographing Extreme Ice</title><description>James Balog has been working as a nature photographer for more than 30 years. His latest project, the Extreme Ice Survey, is helping scientists document the rapid melt of glaciers worldwide--something he says is visible evidence of human-caused climate change. In this interview, he discusses his work.

Podcast produced by David Levin. Interview by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, go to pbs.org/nova/extremeice. </description><pubDate>Mon, 23 Mar 2009 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_pod_extremeice_20090323.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova_a_pod_extremeice_20090323.mp3" length="3489073" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090323-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>In this interview, renowned nature photographer James Balog discusses his most recent project--the Extreme Ice Survey.</itunes:subtitle><itunes:summary>James Balog has been working as a nature photographer for more than 30 years. His latest project, the Extreme Ice Survey, is helping scientists document the rapid melt of glaciers worldwide--something he says is visible evidence of human-caused climate change. In this interview, he discusses his work.

Podcast produced by David Levin. Interview by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, go to pbs.org/nova/extremeice. </itunes:summary><itunes:keywords>science NOVA PBS James Balog extreme ice survey glaciers Iceland Greenland global warming climate</itunes:keywords><itunes:duration>7:48</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Forging the Inca Empire</title><description>The Inca Empire of South America lasted just over 100 years. But in that short span, the Incas conquered an area almost as vast as the Roman Empire.  In this podcast, Terence D'Altroy of Columbia University describes why the Incas were so successful.

Podcast produced and edited by David Levin. Interview by Peter Tyson. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit www.pbs.org/nova/inca</description><pubDate>Mon, 16 Mar 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070620-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070620-2.mp3" length="1665353" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070620-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>Terence D'Altroy of Columbia University discusses how the short-lived Inca Empire grew so rapidly.</itunes:subtitle><itunes:summary>The Inca Empire of South America lasted just over 100 years. But in that short span, the Incas conquered an area almost as vast as the Roman Empire.  In this podcast, Terence D'Altroy of Columbia University describes why the Incas were so successful.

Podcast produced and edited by David Levin. Interview by Peter Tyson. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit www.pbs.org/nova/inca</itunes:summary><itunes:keywords>science NOVA PBS Inca Empire Peru archeology Terence D'Altroy </itunes:keywords><itunes:duration>4:12</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Neil on Hubble</title><description>In this podcast, our series host, Neil deGrasse Tyson, describes where he'd point the Hubble Space Telescope if he had the chance. He also touches on past debates over whether or not to keep the Hubble program alive.
 
Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</description><pubDate>Wed, 11 Mar 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20090311.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20090311.mp3" length="1567071" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090311-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Neil deGrasse Tyson describes where he'd point the Hubble Space Telescope if he had the chance.</itunes:subtitle><itunes:summary>In this podcast, our series host, Neil deGrasse Tyson, describes where he'd point the Hubble Space Telescope if he had the chance. He also touches on past debates over whether or not to keep the Hubble program alive.
 
Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS Neil deGrasse Tyson Hubble telescope</itunes:keywords><itunes:duration>3:44</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Art of Running</title><description>In this podcast, elite athlete Uta Pippig describes her philosophy on running and her experiences as an advisor to 13 novice runners NOVA is following as they embark on their first marathon.

Podcast produced and edited by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit www.pbs.org/nova/marathon</description><pubDate>Fri, 6 Mar 2009 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070410-3.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070410-3.mp3" length="1953924" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070410-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast.jpg"/><itunes:subtitle>For elite athlete Uta Pippig, training for a marathon is as much an art as it is a sport.</itunes:subtitle><itunes:summary>In this podcast, elite athlete Uta Pippig describes her philosophy on running and her experiences as an advisor to 13 novice runners NOVA is following as they embark on their first marathon.

Podcast produced and edited by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit www.pbs.org/nova/marathon</itunes:summary><itunes:keywords>science NOVA PBS Uta Pippig Boston Marathon running training </itunes:keywords><itunes:duration>4:42</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The 2012 Hoax</title><description>Our series host Neil deGrasse Tyson says that despite all those doomsday claims on the Internet, the world will NOT end in 2012. 

Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at pbs.org/nova/sciencenow</description><pubDate>Fri, 27 Feb 2009 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20090227.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20090227.mp3" length="1928573" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090227-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Our series host Neil deGrasse Tyson says that despite all those doomsday claims on the Internet, the world will NOT end in 2012. </itunes:subtitle><itunes:summary>Our series host Neil deGrasse Tyson says that despite all those doomsday claims on the Internet, the world will NOT end in 2012. 

Podcast produced by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS Neil deGrasse Tyson 2012 doomsday</itunes:keywords><itunes:duration>5:09</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Defining Science: The Power of Science</title><description>Neil Shubin is a Paleontologist at the University of Chicago and the Field Museum.  He says that scientific theories like evolution are different from other ideas for some very specific reasons.

Produced by Susan Lewis and David Levin. Interview by Gary Glassman. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company. Funding for NOVA is provided by ExxonMobil, Pacific Life, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on the nature of science and the latest battle over the teaching of evolution, visit us online at pbs.org/nova/id</description><pubDate>Mon, 23 Feb 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071109-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071109-2.mp3" length="" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071109-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Not every idea, no matter how beautiful it may be, qualifies as science.</itunes:subtitle><itunes:summary>Neil Shubin is a Paleontologist at the University of Chicago and the Field Museum.  He says that scientific theories like evolution are different from other ideas for some very specific reasons.

Produced by Susan Lewis and David Levin. Interview by Gary Glassman. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company. Funding for NOVA is provided by ExxonMobil, Pacific Life, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on the nature of science and the latest battle over the teaching of evolution, visit us online at pbs.org/nova/id</itunes:summary><itunes:keywords>science, NOVA, PBS, intelligent design, Dover, Kitzmiller, creationism, Darwin, evolution, ID, Shubin</itunes:keywords><itunes:duration>:0</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Defining Science: Science Is Not Dogmatic</title><description>Robert Pennock is a philosopher of science at Michigan State University. He says that while some creationists claim that science itself is a religion, their argument simply doesn't hold up.

Produced by David Levin and Susan Lewis. Interview by Gary Glassman. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company. Funding for NOVA is provided by ExxonMobil, Pacific Life, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on the nature of science and the latest battle over the teaching of evolution, visit us online at pbs.org/nova/id</description><pubDate>Mon, 23 Feb 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071107-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071107-2.mp3" length="" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071107-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Robert Pennock thinks that when creationists claim that “science itself is a religion”, their argument doesn't hold up.</itunes:subtitle><itunes:summary>Robert Pennock is a philosopher of science at Michigan State University. He says that while some creationists claim that science itself is a religion, their argument simply doesn't hold up.

Produced by David Levin and Susan Lewis. Interview by Gary Glassman. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company. Funding for NOVA is provided by ExxonMobil, Pacific Life, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on the nature of science and the latest battle over the teaching of evolution, visit us online at pbs.org/nova/id</itunes:summary><itunes:keywords>science NOVA PBS intelligent design Dover Kitzmiller creationism Darwin evolution Pennock</itunes:keywords><itunes:duration>:0</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Defining Science: Science vs. Religion</title><description>Brown University biologist Ken Miller was a key witness in the 2005 trial of Kitzmiller v. Dover, the latest battle over the teaching of evolution in public schools.  In this podcast, he describes the nature of science, its limits, and how it differs from religion.

Produced by David Levin. Interview by Gary Glassman. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company. Funding for NOVA is provided by ExxonMobil, Pacific Life, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on the nature of science and the latest battle over the teaching of evolution, visit us online at pbs.org/nova/id </description><pubDate>Wed, 18 Feb 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071102-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071102-2.mp3" length="1403802" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071102-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Biologist Ken Miller describes the nature of science, its limits, and how it differs from religion.</itunes:subtitle><itunes:summary>Brown University biologist Ken Miller was a key witness in the 2005 trial of Kitzmiller v. Dover, the latest battle over the teaching of evolution in public schools.  In this podcast, he describes the nature of science, its limits, and how it differs from religion.

Produced by David Levin. Interview by Gary Glassman. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company. Funding for NOVA is provided by ExxonMobil, Pacific Life, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on the nature of science and the latest battle over the teaching of evolution, visit us online at pbs.org/nova/id </itunes:summary><itunes:keywords>science NOVA PBS intelligent design Dover Kitzmiller creationism Darwin evolution</itunes:keywords><itunes:duration>3:46</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Defining Science: Only a Theory?</title><description>Philosopher Barbara Forrest of Southeast Louisiana University was a key witness in the 2005 trial of Kitzmiller v. Dover, the latest battle over the teaching of evolution in public schools.  In this podcast, she explains that people who claim evolution is “only a theory” are misusing the word “theory”.

Produced by Susan Lewis and David Levin. Interview by Gary Glassman. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company. Funding for NOVA is provided by ExxonMobil, Pacific Life, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on the nature of science and the latest battle over the teaching of evolution, visit us online at pbs.org/nova/id </description><pubDate>Wed, 18 Feb 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071105-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071105-2.mp3" length="1176218" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071105-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Philosopher Barbara Forrest says that people who claim evolution is “only a theory” are misusing the word “theory”.</itunes:subtitle><itunes:summary>Philosopher Barbara Forrest of Southeast Louisiana University was a key witness in the 2005 trial of Kitzmiller v. Dover, the latest battle over the teaching of evolution in public schools.  In this podcast, she explains that people who claim evolution is “only a theory” are misusing the word “theory”.

Produced by Susan Lewis and David Levin. Interview by Gary Glassman. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company. Funding for NOVA is provided by ExxonMobil, Pacific Life, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on the nature of science and the latest battle over the teaching of evolution, visit us online at pbs.org/nova/id </itunes:summary><itunes:keywords>science NOVA PBS intelligent design Dover Kitzmiller creationism Darwin evolution Forrest</itunes:keywords><itunes:duration>3:09</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Caught in a Culture War</title><description>Journalist Lauri Lebo grew up in the area of Dover, Pennsylvania, and her father was a devout fundamentalist Christian. When a controversy over the teaching of evolution began to tear the town apart, Lebo not only covered the story, but also was personally affected by it. 

Produced by Susan K. Lewis and David Levin. Interview by Gary Glassman. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company. Funding for NOVA is provided by The DOW Chemical Company, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. 

For more on the nature of science and the latest battle over the teaching of evolution, visit us online at http://www.pbs.org/nova/id</description><pubDate>Mon, 9 Feb 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071112-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071112-2.mp3" length="1947057" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071112-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>For Lauri Lebo, a journalist who grew up in the area, the Dover, PA trial hit home.</itunes:subtitle><itunes:summary>Journalist Lauri Lebo grew up in the area of Dover, Pennsylvania, and her father was a devout fundamentalist Christian. When a controversy over the teaching of evolution began to tear the town apart, Lebo not only covered the story, but also was personally affected by it. 

Produced by Susan K. Lewis and David Levin. Interview by Gary Glassman. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, Inc. in association with The Big Table Film Company. Funding for NOVA is provided by The DOW Chemical Company, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. 

For more on the nature of science and the latest battle over the teaching of evolution, visit us online at http://www.pbs.org/nova/id</itunes:summary><itunes:keywords>science, NOVA, PBS, intelligent design, Dover, Kitzmiller, creationism, Darwin, evolution, Lebo</itunes:keywords><itunes:duration>5:15</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Judging Intelligent Design</title><description>In this podcast, U.S. District Judge John Jones describes what it was like to preside over the landmark case of Kitzmiller v. Dover, explains why he ruled that intelligent design does not qualify as a science, and more.

Produced by David Levin. Interview by Richard Maurer and David Levin. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, in association with The Big Table Film Company. Funding for NOVA is provided by ExxonMobil, Pacific Life, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about the Dover case and the controversy over Intelligent Design, visit us online at pbs.org/nova/id </description><pubDate>Fri, 6 Feb 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071031-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071031-2.mp3" length="3146570" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071031-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Does intelligent design qualify as science? Not according to Judge John Jones.</itunes:subtitle><itunes:summary>In this podcast, U.S. District Judge John Jones describes what it was like to preside over the landmark case of Kitzmiller v. Dover, explains why he ruled that intelligent design does not qualify as a science, and more.

Produced by David Levin. Interview by Richard Maurer and David Levin. "Judgment Day: Intelligent Design on Trial" is produced by NOVA and Vulcan Productions, in association with The Big Table Film Company. Funding for NOVA is provided by ExxonMobil, Pacific Life, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about the Dover case and the controversy over Intelligent Design, visit us online at pbs.org/nova/id </itunes:summary><itunes:keywords>science NOVA PBS intelligent design Judge Jones Dover Kitzmiller evolution</itunes:keywords><itunes:duration>8:37</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Decoding Speech</title><description>In this podcast, Vlad Sejnoha, an expert in speech recognition software, describes why recognizing and transcribing spoken language with computers is not as easy as you might think.

Podcast produced by David Levin. Interviews by David Levin and Rachel VanCott. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Voice recognition is just one part of secret surveillance techniques being used by U.S. Intelligence agencies. To learn more about them, visit pbs.org/nova/spyfactory.
</description><pubDate>Fri, 30 Jan 2009 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20090130.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20090130.mp3" length="2201901" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090130-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>If you think computers can easily recognize and transcribe spoken language, think again.</itunes:subtitle><itunes:summary>In this podcast, Vlad Sejnoha, an expert in speech recognition software, describes why recognizing and transcribing spoken language with computers is not as easy as you might think.

Podcast produced by David Levin. Interviews by David Levin and Rachel VanCott. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Voice recognition is just one part of secret surveillance techniques being used by U.S. Intelligence agencies. To learn more about them, visit pbs.org/nova/spyfactory.
</itunes:summary><itunes:keywords>science NOVA PBS voice recognition computer nuance spies NSA wiretap</itunes:keywords><itunes:duration>5:57</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Governator</title><description>In this podcast, California governor Arnold Schwarzenegger describes his state's plan to fight global warming.

Podcast produced by David Levin and Susan Lewis. Interview by Larry Klein. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about California's new green energy policies, visit our website at pbs.org/nova/energy
</description><pubDate>Tue, 27 Jan 2009 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20090127.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20090127.mp3" length="7020870" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090127-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>California governor Arnold Schwarzenegger describes his state's plan to fight global warming.</itunes:subtitle><itunes:summary>In this podcast, California governor Arnold Schwarzenegger describes his state's plan to fight global warming.

Podcast produced by David Levin and Susan Lewis. Interview by Larry Klein. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about California's new green energy policies, visit our website at pbs.org/nova/energy
</itunes:summary><itunes:keywords>science NOVA PBS Schwarzenegger California energy solar global warming AB-32</itunes:keywords><itunes:duration>7:01</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Digital Diamonds?</title><description>Can man-made diamond pave the way for the electronics of the future? It depends who you talk to.

Podcast produced by David Levin. Interview by Julia Cort. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow
</description><pubDate>Fri, 23 Jan 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20090123.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20090123.mp3" length="5573682" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090123-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Can man-made diamond pave the way for the electronics of the future?</itunes:subtitle><itunes:summary>Can man-made diamond pave the way for the electronics of the future? It depends who you talk to.

Podcast produced by David Levin. Interview by Julia Cort. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow
</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS diamond Steiner butler electronics</itunes:keywords><itunes:duration>5:32</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Luscious Garage</title><description>Most auto repair shops don't make a point of being environmentally friendly-but Luscious Garage isn't your average shop.

Podcast produced by David Levin. Interview by Larry Klein. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn about other companies that are helping California go green, visit our website at pbs.org/nova/energy</description><pubDate>Fri, 9 Jan 2009 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20090109.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20090109.mp3" length="4295683" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20090109-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Most auto repair shops don't make a point of being environmentally friendly-but Luscious Garage isn't your average shop.</itunes:subtitle><itunes:summary>Most auto repair shops don't make a point of being environmentally friendly-but Luscious Garage isn't your average shop.

Podcast produced by David Levin. Interview by Larry Klein. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn about other companies that are helping California go green, visit our website at pbs.org/nova/energy</itunes:summary><itunes:keywords>science NOVA PBS Luscious Garage hybrid plugin electric car Coquillette</itunes:keywords><itunes:duration>4:18</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Life on Ice</title><description>Could permafrost under Martian soil be the key to finding life on the red planet?  Chris McKay, a planetary scientist for NASA, thinks there's a good chance we'll see evidence of ancient microbes if we just follow the ice.

Podcast produced by David Levin. Interview by Anna Lee Strachan. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more fun science stories, visit our website at pbs.org/nova/mars</description><pubDate>Mon, 22 Dec 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081222.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081222.mp3" length="2151067" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081222-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Could frozen water be the key to finding life on Mars?  </itunes:subtitle><itunes:summary>Could permafrost under Martian soil be the key to finding life on the red planet?  Chris McKay, a planetary scientist for NASA, thinks there's a good chance we'll see evidence of ancient microbes if we just follow the ice.

Podcast produced by David Levin. Interview by Anna Lee Strachan. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more fun science stories, visit our website at pbs.org/nova/mars</itunes:summary><itunes:keywords>science NOVA PBS NASA Phoenix Mars McKay lander life ice permafrost space planet </itunes:keywords><itunes:duration>5:49</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Coldest Frontier</title><description>Simon Schaffer is a historian of science at the University of Cambridge, England. In this podcast, he discusses the search for absolute zero and its impact on science and technology.

Podcast produced by David Levin. Interview by David Dugan. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about the race to conquer cold, visit our Web site at pbs.org/nova/zero</description><pubDate>Fri, 19 Dec 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081219.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081219.mp3" length="1854832" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081219-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Science historian Simon Schaffer says the concept of absolute zero didn't come easily.</itunes:subtitle><itunes:summary>Simon Schaffer is a historian of science at the University of Cambridge, England. In this podcast, he discusses the search for absolute zero and its impact on science and technology.

Podcast produced by David Levin. Interview by David Dugan. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about the race to conquer cold, visit our Web site at pbs.org/nova/zero</itunes:summary><itunes:keywords>science NOVA PBS Schaffer absolute zero cold heat thermodynamics</itunes:keywords><itunes:duration>4:59</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Phoenix Arrives</title><description>Thousands of things could go wrong at any stage of the Mars Phoenix Lander's mission. But Peter Smith, the mission's Principal Investigator, says that the most nerve-wracking parts are getting Phoenix safely into space and back down again on Mars.

Podcast produced by David Levin. Interview by Jonathan Grupper. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more fun science stories, visit our website at pbs.org/nova/mars</description><pubDate>Wed, 17 Dec 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081217.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081217.mp3" length="2519153" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081217-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Peter Smith, Principal Investigator for the Phoenix Lander mission, describes the nerve-wracking moments of launch and landing. </itunes:subtitle><itunes:summary>Thousands of things could go wrong at any stage of the Mars Phoenix Lander's mission. But Peter Smith, the mission's Principal Investigator, says that the most nerve-wracking parts are getting Phoenix safely into space and back down again on Mars.

Podcast produced by David Levin. Interview by Jonathan Grupper. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more fun science stories, visit our website at pbs.org/nova/mars</itunes:summary><itunes:keywords>science NOVA PBS NASA Phoenix Mars lander space planet </itunes:keywords><itunes:duration>6:51</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Did Bugs Do In the Dinos?</title><description>Did a massive asteroid kill off the dinosaurs?  Maybe not. Entomologist George Poinar thinks something much smaller might have done the job.

Podcast produced by David Levin. Interview by Terri Randall. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</description><pubDate>Fri, 12 Dec 2008 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081212.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081212.mp3" length="2011684" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081212-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Did a massive asteroid kill off the dinosaurs? Entomologist George Poinar thinks something much smaller might have done the job.</itunes:subtitle><itunes:summary>Did a massive asteroid kill off the dinosaurs?  Maybe not. Entomologist George Poinar thinks something much smaller might have done the job.

Podcast produced by David Levin. Interview by Terri Randall. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our website at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS Poinar bugs dinosaur extinction insects parasites</itunes:keywords><itunes:duration>5:26</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Touching the Past</title><description>For Chief Anne “Little Fawn” Richardson, Pocahontas is more than a legendary historical figure. Richardson can trace her own ancestry back to the 17th century, when her tribe, the Rappahannocks, were part of a vast domain ruled by Pocahontas's father. In this podcast, Richardson reflects on the clash of cultures between Pocahontas's people and the English settlers of Jamestown. 

Podcast produced and edited by Susan K. Lewis. Interview by Kirk Wolfinger. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/pocahontas</description><pubDate>Wed, 10 Dec 2008 15:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070501-3.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070501-3.mp3" length="1842764" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070501-003</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>The legend of Pocahontas and the founding of Jamestown have special meaning for Chief Anne “Little Fawn” Richardson.</itunes:subtitle><itunes:summary>For Chief Anne “Little Fawn” Richardson, Pocahontas is more than a legendary historical figure. Richardson can trace her own ancestry back to the 17th century, when her tribe, the Rappahannocks, were part of a vast domain ruled by Pocahontas's father. In this podcast, Richardson reflects on the clash of cultures between Pocahontas's people and the English settlers of Jamestown. 

Podcast produced and edited by Susan K. Lewis. Interview by Kirk Wolfinger. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/pocahontas</itunes:summary><itunes:keywords>science NOVA PBS Pocahontas Chief Richardson Jamestown Powhatan Indians Rappahannock history archeology</itunes:keywords><itunes:duration>4:37</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Talking With Apes</title><description>In this podcast, hear about about Sue Savage-Rumbaugh's language studies with bonobos, a primate closely related to humans.

Interview conducted by Rima Chaddha. Podcast produced and edited by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on bonobos and what they might teach us about ourselves, visit www.pbs.org/nova/bonobos</description><pubDate>Wed, 3 Dec 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070207-3.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20070207-3.mp3" length="" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070207-003</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Can apes learn human language? Primatologist Sue Savage-Rumbaugh thinks so.</itunes:subtitle><itunes:summary>In this podcast, hear about about Sue Savage-Rumbaugh's language studies with bonobos, a primate closely related to humans.

Interview conducted by Rima Chaddha. Podcast produced and edited by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on bonobos and what they might teach us about ourselves, visit www.pbs.org/nova/bonobos</itunes:summary><itunes:keywords>science NOVA PBS bonobos apes primates linguistics evolution Kanzi Rumbaugh </itunes:keywords><itunes:duration>:0</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Dizzying Heights</title><description>Dr. Peter Hackett is the Executive Director of the Institute for Altitude Medicine in Telluride, Colorado. In this podcast, he discusses the effects that altitude can have on the body.

Podcast produced by David Levin. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about the dangers of climbing tall peaks and what it takes to survive, visit our Web site at pbs.org/nova/denali</description><pubDate>Wed, 26 Nov 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071206-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20071206-2.mp3" length="3259270" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071206-002</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>When climbing tall mountains, icy, treacherous terrain isn't the only obstacle.</itunes:subtitle><itunes:summary>Dr. Peter Hackett is the Executive Director of the Institute for Altitude Medicine in Telluride, Colorado. In this podcast, he discusses the effects that altitude can have on the body.

Podcast produced by David Levin. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more about the dangers of climbing tall peaks and what it takes to survive, visit our Web site at pbs.org/nova/denali</itunes:summary><itunes:keywords>science, NOVA, PBS, Hackett, altitude sickness, hypoxia, climbing, skiing, Rockies, Denali, Colorado, Telluride</itunes:keywords><itunes:duration>8:47</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Finding Other Earths</title><description>The Kepler Space Telescope, which is scheduled to launch in 2009, may help astronomers find other earth-like planets for the first time. 

Podcast produced by David Levin. Interviews by Julia Cort. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at pbs.org/nova/sciencenow</description><pubDate>Thu, 13 Nov 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081113.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081113.mp3" length="1836153" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081113-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>When the Kepler Space Telescope launches in 2009, astronomers might finally be able to spot other earth-like planets.</itunes:subtitle><itunes:summary>The Kepler Space Telescope, which is scheduled to launch in 2009, may help astronomers find other earth-like planets for the first time. 

Podcast produced by David Levin. Interviews by Julia Cort. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS astronomy Kepler Space Telescope Charbonneau Marcy Kaltenegger</itunes:keywords><itunes:duration>4:53</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Many Gods of Israel</title><description>Archeologist Bill Dever says that in addition to the Hebrew god Yahweh, ancient Israelites may have worshipped a Canaanite female goddess called Asherah.

This podcast was produced by David Levin and Susan Lewis. Interview by Gary Glassman. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "The Bible's Buried Secrets" is provided by The Arthur Vining Davis Foundations, the Richard and Rhoda Goldman Fund, and the Righteous Persons Foundation.

For more on what archeology is revealing about biblical times, visit www.pbs.org/nova/bible</description><pubDate>Wed, 12 Nov 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081112.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081112.mp3" length="1864767" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081112-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Archeologist Bill Dever says that polytheism may have been the norm in ancient Israel.</itunes:subtitle><itunes:summary>Archeologist Bill Dever says that in addition to the Hebrew god Yahweh, ancient Israelites may have worshipped a Canaanite female goddess called Asherah.

This podcast was produced by David Levin and Susan Lewis. Interview by Gary Glassman. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

Major funding for "The Bible's Buried Secrets" is provided by The Arthur Vining Davis Foundations, the Richard and Rhoda Goldman Fund, and the Righteous Persons Foundation.

For more on what archeology is revealing about biblical times, visit www.pbs.org/nova/bible</itunes:summary><itunes:keywords>science NOVA PBS Dever Bible Israel Yahweh Asherah biblical</itunes:keywords><itunes:duration>4:59</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>The Insider Who Knew</title><description>This podcast was produced by David Levin. Interview by Arun Rath. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on Space Shuttle Disaster, visit www.pbs.org/nova/columbia</description><pubDate>Wed, 8 Oct 2008 10:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081008.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20081008.mp3" length="2494199" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081008-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>NASA engineer Rodney Rocha speaks out about his efforts to prevent the Columbia Space Shuttle disaster.</itunes:subtitle><itunes:summary>This podcast was produced by David Levin. Interview by Arun Rath. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on Space Shuttle Disaster, visit www.pbs.org/nova/columbia</itunes:summary><itunes:keywords>science NOVA PBS Rocha Columbia shuttle NASA space accident</itunes:keywords><itunes:duration>6:45</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Smart Birds</title><description>Some parrots can talk-but can they really understand what they're saying?
In this podcast, researcher Irene Pepperberg describes her cognitive experiments with African grey parrots, and discusses why the line between human and animal intelligence is sometimes blurry.

Produced by David Levin. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Wed, 1 Oct 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081001.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20081001.mp3" length="2564639" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20081001-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Some parrots can talk-but can they really understand what they're saying?</itunes:subtitle><itunes:summary>Some parrots can talk-but can they really understand what they're saying?
In this podcast, researcher Irene Pepperberg describes her cognitive experiments with African grey parrots, and discusses why the line between human and animal intelligence is sometimes blurry.

Produced by David Levin. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA PBS NOW Pepperberg Alex parrot cognition intelligence animal</itunes:keywords><itunes:duration>6:52</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Tiny Black Holes</title><description>CERN's massive particle collider in Geneva, Switzerland, may create tiny black holes when it goes online-hopefully-in 2008. Not to worry, though: In this podcast, physicist Dave Wark explains that there's no way these can destroy the world. 

This podcast was produced by David Levin. Interview with Dave Wark by Rima Chaddha. NOVA is produced by WGBH in Boston. Major funding for NOVA is provided by The DOW Chemical Company, the Corporation for Public Broadcasting, and public television viewers. Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

To learn more, visit www.pbs.org/nova/sciencenow</description><pubDate>Fri, 26 Sep 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20070706-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20070706-2.mp3" length="1096216" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070706-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Manufacturing black holes isn't as dangerous as it sounds.</itunes:subtitle><itunes:summary>CERN's massive particle collider in Geneva, Switzerland, may create tiny black holes when it goes online-hopefully-in 2008. Not to worry, though: In this podcast, physicist Dave Wark explains that there's no way these can destroy the world. 

This podcast was produced by David Levin. Interview with Dave Wark by Rima Chaddha. NOVA is produced by WGBH in Boston. Major funding for NOVA is provided by The DOW Chemical Company, the Corporation for Public Broadcasting, and public television viewers. Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

To learn more, visit www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, WGBH, PBS, scienceNOW, NOW, Dave Wark, CERN, LHC, Large Hadron Collider, black hole, physics, particle physics, exploration, atom</itunes:keywords><itunes:duration>2:54</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Supersized Black Hole</title><description>Astrophysicist Andrea Ghez of the University of California, Los Angeles describes her discovery of a supermassive black hole at the center of the Milky Way.

This podcast was produced by Susan K. Lewis and edited by David Levin. Interview by Susan K. Lewis. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Major funding for "Monster of the Milky Way" is provided by the National Science Foundation and by NASA's Gamma Ray Large Area Space Telescope (GLAST).

To learn more, visit www.pbs.org/nova/blackhole</description><pubDate>Mon, 22 Sep 2008 10:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20061031-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20061031-2.mp3" length="1973760" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20061031-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Astrophysicist Andrea Ghez discusses her discovery of a black hole at the center of the Milky Way.</itunes:subtitle><itunes:summary>Astrophysicist Andrea Ghez of the University of California, Los Angeles describes her discovery of a supermassive black hole at the center of the Milky Way.

This podcast was produced by Susan K. Lewis and edited by David Levin. Interview by Susan K. Lewis. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Major funding for "Monster of the Milky Way" is provided by the National Science Foundation and by NASA's Gamma Ray Large Area Space Telescope (GLAST).

To learn more, visit www.pbs.org/nova/blackhole</itunes:summary><itunes:keywords>science, NOVA, PBS, black holes, galaxy, Milky Way, astrophysics, physics, space, Andrea Ghez</itunes:keywords><itunes:duration>4:33</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Frank Wilczek</title><description>Physicist Frank Wilczek of MIT offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Mon, 15 Sep 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080915.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080915.mp3" length="681716" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080915-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Frank Wilczek on E = mc2</itunes:subtitle><itunes:summary>Physicist Frank Wilczek of MIT offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science NOVA PBS Einstein E=mc2 physics relativity Wilczek </itunes:keywords><itunes:duration>1:49</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Neil deGrasse Tyson</title><description>Astrophysicist Neil deGrasse Tyson from the American Museum of Natural History offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Fri, 12 Sep 2008 12:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080912.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080912.mp3" length="1291812" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080912-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Neil deGrasse Tyson on E = mc2</itunes:subtitle><itunes:summary>Astrophysicist Neil deGrasse Tyson from the American Museum of Natural History offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science NOVA PBS Einstein E=mc2 physics relativity deGrasse Tyson </itunes:keywords><itunes:duration>3:28</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Janet Conrad</title><description>Physicist Janet Conrad of Columbia University offers her take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Wed, 10 Sep 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060911-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060911-2.mp3" length="868473" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20060911-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Janet Conrad on E = mc2</itunes:subtitle><itunes:summary>Physicist Janet Conrad of Columbia University offers her take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science NOVA PBS Einstein E=mc2 physics relativity Columbia Conrad</itunes:keywords><itunes:duration>2:19</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Sheldon Glashow</title><description>Physicist Sheldon Glashow of Boston University offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Mon, 8 Sep 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060906-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060906-2.mp3" length="1131648" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20060906-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Sheldon Glashow on E = mc2</itunes:subtitle><itunes:summary>Physicist Sheldon Glashow of Boston University offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science NOVA PBS Einstein E=mc2 physics relativity Boston University Glashow Sheldon</itunes:keywords><itunes:duration>3:02</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Alan Guth</title><description>Physicist Alan Guth of MIT offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Fri, 5 Sep 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060915-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20060915-2.mp3" length="951618" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20060915-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Alan Guth on E = mc2</itunes:subtitle><itunes:summary>Physicist Alan Guth of MIT offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science, NOVA, PBS, Albert Einstein, Einstein, E=mc2, squared, physics, relativity, Alan Guth</itunes:keywords><itunes:duration>2:33</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>E = mc2 | Brian Greene</title><description>Physicist Brian Greene of Columbia University offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</description><pubDate>Wed, 3 Sep 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080903.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080903.mp3" length="1147167" type="audio/mpeg"/><guid isPermaLink="false">nova-20080903-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Brian Greene on E = mc2</itunes:subtitle><itunes:summary>Physicist Brian Greene of Columbia University offers his take on Einstein's famous equation.

This podcast was produced by David Levin and Lexi Krock. Audio editing by David Levin. Music courtesy www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

For more on E = mc2, visit www.pbs.org/nova/einstein</itunes:summary><itunes:keywords>science NOVA PBS Einstein E=mc2 physics relativity Brian Greene</itunes:keywords><itunes:duration>3:04</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Everything Bites</title><description>Mark Siddall, a.k.a. Dr. Leech, says that while searching for the giant Amazonian leech, bloodsucking creatures were the least of his problems.  

Produced by David Levin. Interview conducted by Peter Tyson. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 25 Aug 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080825.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080825.mp3" length="1477948" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20080825-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Leech expert Mark Siddall has met with some, well, interesting challenges while searching for new specimens in the Amazon.</itunes:subtitle><itunes:summary>Mark Siddall, a.k.a. Dr. Leech, says that while searching for the giant Amazonian leech, bloodsucking creatures were the least of his problems.  

Produced by David Levin. Interview conducted by Peter Tyson. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA scienceNOW NOW PBS leeches leech Siddall French Guyana Amazon </itunes:keywords><itunes:duration>3:58</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Engineering Fiction</title><description>Engineer Karl Iagnemma of MIT talks to NOVA scienceNOW's Susan Lewis about his dual life as a roboticist and award-winning fiction author. 

Produced by Susan K. Lewis. Audio editing by David Levin. Interview conducted by Susan Lewis. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Wed, 20 Aug 2008 19:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20060811-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20060811-2.mp3" length="2324693" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20060811-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Engineer Karl Iagnemma discusses his dual life as researcher and fiction author.</itunes:subtitle><itunes:summary>Engineer Karl Iagnemma of MIT talks to NOVA scienceNOW's Susan Lewis about his dual life as a roboticist and award-winning fiction author. 

Produced by Susan K. Lewis. Audio editing by David Levin. Interview conducted by Susan Lewis. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, now, PBS, robotics, robots, Karl, Iagnemma, fiction, writing, romantic, scientists</itunes:keywords><itunes:duration>6:15</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Wired for Weight</title><description>In this podcast, NOVA scienceNOW correspondent David Duncan talks to Dr. Jeffrey Friedman of Rockefeller University about the connection between genetics and obesity.  

Audio editing by David Levin. Produced by Dean Irwin. Interview conducted by David Duncan. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 18 Aug 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20060320-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20060320-2.mp3" length="2084606" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20060320-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Dr. Jeffrey Friedman of Rockefeller University explains the connection between genetics and obesity.</itunes:subtitle><itunes:summary>In this podcast, NOVA scienceNOW correspondent David Duncan talks to Dr. Jeffrey Friedman of Rockefeller University about the connection between genetics and obesity.  

Audio editing by David Levin. Produced by Dean Irwin. Interview conducted by David Duncan. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, WGBH, PBS, sciencenow, now, obesity, diet, weight, fat, genetics, Friedman, Rockefeller</itunes:keywords><itunes:duration>5:37</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Mother of All Extinctions</title><description>NOVA scienceNOW producer Joe McMaster asks our series host, Neil deGrasse Tyson, why everyone should know about the Permian extinction. 

Produced by Susan K. Lewis. Audio editing by David Levin. Interview conducted by Joe McMaster. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Wed, 13 Aug 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061115-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061115-2.mp3" length="677911" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20061115-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Why should we care about a great biotic wipeout 250 million years ago?</itunes:subtitle><itunes:summary>NOVA scienceNOW producer Joe McMaster asks our series host, Neil deGrasse Tyson, why everyone should know about the Permian extinction. 

Produced by Susan K. Lewis. Audio editing by David Levin. Interview conducted by Joe McMaster. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, Neil deGrasse Tyson, extinction, Permian</itunes:keywords><itunes:duration>1:46</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Extinction Happens</title><description>NOVA scienceNOW producer Julia Cort talks to MIT geologist Sam Bowring about a mass extinction at the end of the Permian period and discusses whether it could happen again. 

Audio editing by David Levin. Produced by Susan K. Lewis. Interview with Sam Bowring conducted by Julia Cort. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 11 Aug 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061108-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061108-2.mp3" length="2245732" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20061108-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>MIT geologist Sam Bowring discusses the biggest extinction Earth has ever seen.</itunes:subtitle><itunes:summary>NOVA scienceNOW producer Julia Cort talks to MIT geologist Sam Bowring about a mass extinction at the end of the Permian period and discusses whether it could happen again. 

Audio editing by David Levin. Produced by Susan K. Lewis. Interview with Sam Bowring conducted by Julia Cort. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, Sam Bowring, MIT, geology, extinction, Permian</itunes:keywords><itunes:duration>5:19</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Longevity Gene</title><description>NOVA scienceNOW producer Chad Cohen describes a new study that may link longevity to a gene controlling a certain type of cholesterol. 

Produced by Chad Cohen and Lexi Krock. Audio editing by David Levin. Interviews conducted by Chad Cohen. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Fri, 8 Aug 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20070103-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20070103-2.mp3" length="1715768" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20070103-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Is the key to longevity all in your genes?</itunes:subtitle><itunes:summary>NOVA scienceNOW producer Chad Cohen describes a new study that may link longevity to a gene controlling a certain type of cholesterol. 

Produced by Chad Cohen and Lexi Krock. Audio editing by David Levin. Interviews conducted by Chad Cohen. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, WGBH, PBS, scienceNOW, NOW, Nir Barzilai, genetics, genes, cholesterol, aging, age, medicine, longevity</itunes:keywords><itunes:duration>4:28</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Bacteria Unite!</title><description>Bonnie Bassler of Princeton University explains how bacteria can "talk" with one another, and even join together in coordinated efforts.  Scientists are beginning to see these microscopic creatures-once thought completely asocial-in a whole new way.

Podcast produced by Susan K. Lewis and edited by David Levin. Interview by Carla Denley. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Fri, 8 Aug 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061222-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20061222-2.mp3" length="1112049" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20061222-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Biologist Bonnie Bassler describes how bacteria are smarter than we think.</itunes:subtitle><itunes:summary>Bonnie Bassler of Princeton University explains how bacteria can "talk" with one another, and even join together in coordinated efforts.  Scientists are beginning to see these microscopic creatures-once thought completely asocial-in a whole new way.

Podcast produced by Susan K. Lewis and edited by David Levin. Interview by Carla Denley. NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, Bonnie Bassler, microbe, bacteria, quorum sensing, biology, genetics, Princeton</itunes:keywords><itunes:duration>2:57</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Cosmic Perspective: Happy Birthday, NASA</title><description>NOVA scienceNOW host and astrophysicist Neil deGrasse Tyson offers a birthday greeting to America's space agency. 

NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at pbs.org/nova/sciencenow</description><pubDate>Wed, 30 Jul 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080730.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080730.mp3" length="839215" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080730-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Neil deGrasse Tyson is the same age as NASA, and both have come a long way in 50 years. </itunes:subtitle><itunes:summary>NOVA scienceNOW host and astrophysicist Neil deGrasse Tyson offers a birthday greeting to America's space agency. 

NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science NOVA PBS scienceNOW now Neil deGrasse Tyson SETI cosmic perspective NASA</itunes:keywords><itunes:duration>2:15</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Iceland's Clean Machines</title><description>Jon Bjoern Skulason of Icelandic New Energy discusses the future of hydrogen-powered vehicles in Iceland.

This podcast was produced and edited by David Levin. Interview by Joe Seamans. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit www.pbs.org/nova/car</description><pubDate>Tue, 29 Jul 2008 18:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080729.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080729.mp3" length="1146777" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080729-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Will Iceland's cars soon be running on hydrogen fuel?</itunes:subtitle><itunes:summary>Jon Bjoern Skulason of Icelandic New Energy discusses the future of hydrogen-powered vehicles in Iceland.

This podcast was produced and edited by David Levin. Interview by Joe Seamans. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit www.pbs.org/nova/car</itunes:summary><itunes:keywords>science, NOVA, PBS, Iceland, Reykjavik, hydrogen, fuel cell, green energy, alternative energy, hydrogen, car, bus</itunes:keywords><itunes:duration>3:04</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Really Smart Cars</title><description>Energy expert Amory Lovins of the Rocky Mountain Institute thinks we may all be driving software-rich, really smart cars in the future. Listen in.

Podcast produced and edited by Susan Lewis with additional editing by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/car</description><pubDate>Thu, 24 Jul 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080417-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/nova-a-20080417-2.mp3" length="1828152" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080417-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Can you imagine a car that calls 911 on its own? Amory Lovins can.</itunes:subtitle><itunes:summary>Energy expert Amory Lovins of the Rocky Mountain Institute thinks we may all be driving software-rich, really smart cars in the future. Listen in.

Podcast produced and edited by Susan Lewis with additional editing by David Levin. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.

To learn more, visit http://www.pbs.org/nova/car</itunes:summary><itunes:keywords>NOVA, PBS, Car Talk, Amory Lovins, alternative vehicles, Car of the Future, science, smart cars</itunes:keywords><itunes:duration>4:55</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Cosmic Perspective: Intelligent Life?</title><description>NOVA scienceNOW host and astrophysicist Neil deGrasse Tyson gives his "Cosmic Perspective" on what an alien civilization picking up radio signals from Earth might think.

NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Tue, 22 Jul 2008 17:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080722.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080722.mp3" length="853733" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080722-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Would aliens perceive life on Earth as intelligent? Neil deGrasse Tyson gives his "cosmic perspective."</itunes:subtitle><itunes:summary>NOVA scienceNOW host and astrophysicist Neil deGrasse Tyson gives his "Cosmic Perspective" on what an alien civilization picking up radio signals from Earth might think.

NOVA is produced by WGBH in Boston. Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, scienceNOW, now, Neil deGrasse Tyson, SETI, cosmic perspective</itunes:keywords><itunes:duration>2:16</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Eavesdropping on ET</title><description>Seth Shostak, senior astronomer for SETI, explains the organization's search for other intelligent life in the universe.

Podcast produced by David Levin. Interview by Andrea Kissack. 

NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, the Corporation for Public Broadcasting, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

You can visit us online at http://www.pbs.org/nova/sciencenow</description><pubDate>Tue, 22 Jul 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080229-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080229-2.mp3" length="1887865" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20070229-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Is anybody out there? Seth Shostak thinks so.</itunes:subtitle><itunes:summary>Seth Shostak, senior astronomer for SETI, explains the organization's search for other intelligent life in the universe.

Podcast produced by David Levin. Interview by Andrea Kissack. 

NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, the Corporation for Public Broadcasting, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

You can visit us online at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, SETI, Seth Shostak, aliens, contact, extra terrestrial </itunes:keywords><itunes:duration>5:02</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Leeches!</title><description>Mark Siddall, a leech expert at the American Museum of Natural History, wants to change how you think about nature's most notorious blood-suckers.

Podcast produced by David Levin. Original interview by Julia Cort.

NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, the Corporation for Public Broadcasting, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit http://www.pbs.org/nova/sciencenow</description><pubDate>Fri, 18 Jul 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20071121-3.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20071121-3.mp3" length="1932678" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071121-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Think of them as "worms with panache."</itunes:subtitle><itunes:summary>Mark Siddall, a leech expert at the American Museum of Natural History, wants to change how you think about nature's most notorious blood-suckers.

Podcast produced by David Levin. Original interview by Julia Cort.

NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, the Corporation for Public Broadcasting, and public television viewers.

This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, leeches, leech, leeching, invertebrate, Mark Siddall, medicine</itunes:keywords><itunes:duration>5:12</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Bridge Doctors</title><description>Structural engineer Michael Todd describes the state of bridge monitoring around the world.

Interview by Rima Chaddha. Edited by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 14 Jul 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080714.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080714.mp3" length="2105924" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080714-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>How can we detect "sick" bridges before they collapse?</itunes:subtitle><itunes:summary>Structural engineer Michael Todd describes the state of bridge monitoring around the world.

Interview by Rima Chaddha. Edited by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, bridges, collapse, structure, engineering, monitoring, disaster, infrastructure</itunes:keywords><itunes:duration>5:36</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Cosmic Perspective: Telescopes in Space</title><description>NOVA scienceNOW host Neil deGrasse Tyson gives his "Cosmic Perspective" on telescopes in space. 

Podcast produced by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Tue, 8 Jul 2008 11:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080708.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080708.mp3" length="898457" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080708-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Neil deGrasse Tyson gives his "cosmic perspective" on telescopes in space.</itunes:subtitle><itunes:summary>NOVA scienceNOW host Neil deGrasse Tyson gives his "Cosmic Perspective" on telescopes in space. 

Podcast produced by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, scienceNOW, now, Neil deGrasse Tyson, Hubble, telescope, cosmic perspective</itunes:keywords><itunes:duration>2:22</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Doctor Q.</title><description>Dr. Alfredo Quinones-Hinojosa is a neurosurgeon and cancer researcher at Johns Hopkins School of Medicine in Baltimore, MD. In this podcast, hear the remarkable story of his career, which began as a migrant farm worker in southern California.

Podcast produced by David Levin. Interview by Robe Imbriano. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 7 Jul 2008 09:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080124-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080124-2.mp3" length="2045313" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080124-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Neurosurgeon Alfredo Quinones-Hinojosa's career didn't start in a hospital -- it began in a farm field.</itunes:subtitle><itunes:summary>Dr. Alfredo Quinones-Hinojosa is a neurosurgeon and cancer researcher at Johns Hopkins School of Medicine in Baltimore, MD. In this podcast, hear the remarkable story of his career, which began as a migrant farm worker in southern California.

Podcast produced by David Levin. Interview by Robe Imbriano. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, Alfredo Quinones-Hinojosa, brain cancer, neurosurgery, oncology, Johns Hopkins</itunes:keywords><itunes:duration>5:30</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>To Test or Not to Test?</title><description>Dr. Arthur Caplan, director of the Center for Bioethics at the University of Pennsylvania, discusses the ethical issues raised by commercial genetic testing.

Podcast produced by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Tue, 1 Jul 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080701.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080701.mp3" length="2685525" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080701-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Commercial DNA testing is now available, but is it a good idea? </itunes:subtitle><itunes:summary>Dr. Arthur Caplan, director of the Center for Bioethics at the University of Pennsylvania, discusses the ethical issues raised by commercial genetic testing.

Podcast produced by David Levin. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the Pfizer, the National Science Foundation, and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, genetics, DNA, Arthur Caplan, Snip, Chip</itunes:keywords><itunes:duration>7:17</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Rock Star Geneticist</title><description>Geneticist Pardis Sabeti does it all -- she finished a PhD while working her way through Harvard Medical School, wrote a computer algorithm that is now widely used for studying evolution, and even finds time to make music with her band, Thousand Days.

Podcast produced by David Levin. Original interview by Robe Imbriano. Music by Thousand Days. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Tue, 1 Jul 2008 16:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20071219-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20071219-2.mp3" length="1655272" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20071219-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>When she's not finding new breakthroughs in the world of genetics, Pardis Sabeti finds time to rock out.</itunes:subtitle><itunes:summary>Geneticist Pardis Sabeti does it all -- she finished a PhD while working her way through Harvard Medical School, wrote a computer algorithm that is now widely used for studying evolution, and even finds time to make music with her band, Thousand Days.

Podcast produced by David Levin. Original interview by Robe Imbriano. Music by Thousand Days. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, Pardis Sabeti, genetics, Brode, Harvard Medical, DNA</itunes:keywords><itunes:duration>4:26</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Finding a Fake Van Gogh</title><description>NOVA scienceNOW's Dean Irwin discusses what he learned about this new computer technology while producing his story on digital art authentication.

Podcast produced by David Levin. Music by Jeff Allen. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Mon, 30 Jun 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080327-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/nsnpodcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080327-2.mp3" length="2284527" type="audio/mpeg"/><guid isPermaLink="false">nova-sciencenow-20080327-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/nova_science_now.jpg"/><itunes:subtitle>Can a computer tell the difference between a real Van Gogh painting and a forgery?</itunes:subtitle><itunes:summary>NOVA scienceNOW's Dean Irwin discusses what he learned about this new computer technology while producing his story on digital art authentication.

Podcast produced by David Levin. Music by Jeff Allen. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, Van Gogh, authentication, digital image, art, forgery, Dean Irwin </itunes:keywords><itunes:duration>6:12</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Catching Forged Photos</title><description>In this podcast, Dartmouth College computer scientist Hany Farid discusses his work on mathematical and computational methods for spotting digital forgeries.

Podcast produced by David Levin. Interview by Rima Chaddha. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://pbs.org/nova/sciencenow</description><pubDate>Tue, 24 Jun 2008 13:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080624-2.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080624-2.mp3" length="1954681" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080624-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>When it comes to digital photos, seeing isn't always believing.</itunes:subtitle><itunes:summary>In this podcast, Dartmouth College computer scientist Hany Farid discusses his work on mathematical and computational methods for spotting digital forgeries.

Podcast produced by David Levin. Interview by Rima Chaddha. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, computers, digital, forensics, forgeries, Hany, Farid, Dartmouth</itunes:keywords><itunes:duration>5:12</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Finding Lost Memories</title><description>In this podcast, hear from MIT's Eric Lander and Li-Huei Tsai about new experiments that are exploring whether "lost" memories can be regained.

Podcast produced by David Levin. Interview by Betsey Arledge and Peter Standring. Music by www.animalhospital.com. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://pbs.org/nova/sciencenow</description><pubDate>Fri, 20 Jun 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080411-03.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080411-03.mp3" length="2412332" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080411-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>In diseases like Alzheimer's, are forgotten memories gone for good?</itunes:subtitle><itunes:summary>In this podcast, hear from MIT's Eric Lander and Li-Huei Tsai about new experiments that are exploring whether "lost" memories can be regained.

Podcast produced by David Levin. Interview by Betsey Arledge and Peter Standring. Music by www.animalhospital.com. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, scienceNOW, NOW, PBS, Alzheimer's, memory, Brode, Whitehead, MIT, Tsai, Lander, DNA</itunes:keywords><itunes:duration>5:42</itunes:duration><itunes:explicit>no</itunes:explicit></item>
<item><title>Cosmic Perspective: Dark Matter and Dark Energy</title><description>NOVA scienceNOW host Neil deGrasse Tyson gives his "Cosmic Perspective" on dark matter and dark energy. Podcast produced by David Levin. Music by www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</description><pubDate>Fri, 13 Jun 2008 14:00:00 -0500</pubDate><link>http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080613.mp3</link><enclosure url="http://www.pbs.org/wgbh/nova/rss/podcast/redir/http://www-tc.pbs.org/wgbh/nova/rss/media/novasciencenow-20080613.mp3" length="958776" type="audio/mpeg"/><guid isPermaLink="false">nova-podcast-20080613-001</guid><itunes:author>WGBH Science Unit</itunes:author><itunes:image href="http://www.pbs.org/wgbh/nova/rss/media/logo-nova-podcast-2.jpg"/><itunes:subtitle>Neil deGrasse Tyson gives his "cosmic perspective" on dark matter and dark energy.</itunes:subtitle><itunes:summary>NOVA scienceNOW host Neil deGrasse Tyson gives his "Cosmic Perspective" on dark matter and dark energy. Podcast produced by David Levin. Music by www.animalhospitalmusic.com. NOVA is produced by WGBH in Boston.

Major funding for NOVA scienceNOW is provided by the National Science Foundation and the Howard Hughes Medical Institute. Additional funding is provided by the Alfred P. Sloan Foundation.

This material is based upon work supported by the National Science Foundation under Grant No. 0229297. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For more fun science stories, visit our Web site at http://www.pbs.org/nova/sciencenow</itunes:summary><itunes:keywords>science, NOVA, PBS, scienceNOW, now, Neil deGrasse Tyson, dark matter, dark energy, cosmic, perspective</itunes:keywords><itunes:duration>2:17</itunes:duration><itunes:explicit>no</itunes:explicit></item>
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