Dec 01 Watch For Frequent Fliers, How Big a Concern Is Backscatter Body Scan Radiation? As millions of Americans take to the skies for holiday travel, some scientists have raised concerns about the small dose of ionizing radiation emitted by backscatter full-body scanners used to screen passengers at U.S. airports. In partnership with ProPublica, Miles… Continue watching
Dec 01 Behind the Backscatter: The Health, Security Implications of Body Scanners EmbedVideo(2089, 482, 304); On Thursday's NewsHour broadcast, Miles O'Brien reports on the safety of the latest backscatter body-scanning machines that are widely used in American airport security. Hari Sreenivasan caught up with Miles this week… Continue reading
Nov 30 Watch Behind the Backscatter Hari and Miles on the latest full-body security scanning machines. Continue watching
Nov 30 Occupy DC’s ‘Roving Kabaret’ Photo by Elizabeth Shell. Recently, Puppet Underground and Occupy DC hosted a 'Roving Kabaret' ('K' as in K St., which is one of the locations where the organization has set up tent) of various theatrical troupes that support the… Continue reading
Nov 30 Worms in Space: Will Invertebrate Astronauts Help Us Get to Mars? C. elegans worms, pictured above, are a model organism for studying cell behavior in space. Photo by Flickr via snickclunk. In December 2006, the Discovery space shuttle launched into orbit carrying a seven-member crew, its first Scandinavian astronaut… Continue reading
Nov 28 Watch New Climate Change Deal to Succeed Kyoto a Long Shot What's behind the long struggle to reach a new international agreement on reducing greenhouse gases? Margaret Warner and The Washington Post's Juliet Eilperin preview the U.N.'s annual climate conference. Continue watching
Nov 28 Weekly Poem: ‘The Radioactive Dating Game’ Mala Radhakrishnan is an assistant professor at Wellesley College and is the author of a book of poems about chemistry called "Atomic Romances, Molecular Dances." Her aim is to use poetry, but also easy-to-understand analogies to teach such subjects as… Continue reading
Nov 26 Curiosity Rover Begins 300 Million-Mile Journey to Mars EmbedVideo(2061, 482, 304); Update November 26| The Mars Science Laboratory launched into space at 10 am on Saturday, beginning its nine-month, 354-million-mile journey to Mars. Upon arrival, the one-ton spacecraft will hurl through the Mars atmosphere and deploy… Continue reading
Nov 25 Watch Curiosity Rover Prepped to Begin 300 Million-Mile Journey to Mars Hari caught up Richard Cook of Mars Science Laboratory to discuss the upcoming launch. Continue watching
Nov 23 Watch Tiny Mussels Invade Great Lakes, Threaten Fishing Industry Tiny mussels are invading the Great Lakes, threatening the health of the waterways and the livelihoods of fishermen. Ash-har Quraishi of WTTW Chicago reports. Continue watching