Science & Technology 2013 Archive | PBS NewsHour

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	2013 MAY May 24, 2013 Wheels Stopped for Kepler, but Still More to Study Earlier this month, NASA reported that its Kepler planet-hunting telescope had gone offline, and was in "safe mode." In other words, the failure of one of its reaction wheels -- a crucial component of the $600 million telescope -- had derailed the spacecraft.

	May 24, 2013 Does Technology Offer Anyone a Big Break in Entertainment Industry? Changes in technology have opened up new opportunities in the entertainment industry, offering platforms for the most scrappy or eclectic of musicians, filmmakers and other creative artists.

	May 22, 2013 Building a Monster Tornado A special kind of thunderstorm called a "supercell thunderstorm" produces tornadoes. The wind shear creates a horizontal spinning effect that veers from a southeast to a southwesterly direction, increasing in speed as it rises.

	May 21, 2013 Honoring Sally Ride's Legacy as Scientist, Trailblazer, Educational Role Model President Barack Obama announced he would posthumously award the Presidential Medal of Freedom to Sally Ride, the first woman in space. NewsHour's science correspondent Miles O'Brien reflects on Ride's legacy and her impact as an educator who encouraged young women to study science, technology, engineering and math.

	May 21, 2013 Group Seeks Help From Social Networks to Combat Hate Speech Social networking websites such as Facebook and Twitter helps users mobilize around a common cause. But what if their message is one of hate? The Simon Wiesenthal Center, a group working against global racism, has compiled a list of hundreds of websites it deems hateful and is pushing their host sites to remove them.

	May 21, 2013 Apple CEO Tim Cook Faces Senate Questions on Taxes A Senate panel says Apple Inc. is avoiding billions of dollars in U.S. taxes by shifting profits to foreign affiliates. Watch Apple CEO Tim Cook as he testifies before the panel on the company's tax strategy.

	May 20, 2013 5 Questions: Why Yahoo Hopes Tumblr Will Expand Its 'Coolness' Yahoo, the languishing tech pioneer, officially unveiled its acquisition of social blogging platform Tumblr on Monday. The $1.1 billion purchase by Yahoo could mean a whole world of things for both of the Internet companies, as well as for Yahoo chief executive -- and former Google executive -- Marissa Mayer.

	May 20, 2013 Coding Skills Combine With Civic Consciousness to Improve Government Code for America, a San Francisco nonprofit, enlists high tech professionals to work with local governments to create tools to help average citizens tackle hunger, blight and other civic problems. NewsHour correspondent Spencer Michels reports.

	May 20, 2013 Yahoo Makes Bid for Reboot With $1.1 Billion Deal for Popular Blog Site Tumblr Tech company Yahoo bought Tumblr for a reported $1.1 billion, adding the fast-growing social media site with more than 100 million blogs to its roster of assets. Jeffrey Brown talks with Rebecca Lieb, a research analyst for the Altimeter Group, about the appeal of the image-centric and mobile-friendly blogging platform.

	May 20, 2013 A High Tech Solution for a Neighborhood Problem Dubbed "Peace Corps for geeks," Code for America sends teams of tech professionals to spend a month in a U.S. city listening to officials and residents explain a specific civic challenge. Fellows then return to San Francisco headquarters to develop a web-based program they think will help.

	May 20, 2013 Life of Sally Ride Honored at Kennedy Center Tribute On Monday, PBS NewsHour science correspondent Miles O'Brien will serve as master of ceremonies at an event honoring the legacy of astronaut Sally Ride at Washington, D.C.'s Kennedy Center. This is the column that O'Brien wrote immediately following Ride's death in July 2012, after a 17-month battle with pancreatic cancer.

	May 17, 2013 Cicada Sighting! Bug-Eyed Critters Emerging in Northern Virginia Although the brood II cicadas aren't expected to emerge en masse until late May or June, a nice crop of them nested in a batch of poison ivy in Virgina’s Bull Run Regional Park on Thursday. Their veiny golden wings and bright beady red eyes clung to grass, leaves and tree bark.

	May 16, 2013 Major Embryonic Stem Cell Advance Raises Ethical Quandaries Researchers at Oregon Health and Science University have achieved a longtime goal. They cloned a human embryo to derive embryonic stem cells able to transform into tissues and organs genetically identical to patients who need them. Jeffrey Brown talks to NPR's Rob Stein about the science as well as the ethical concerns.

	May 16, 2013 Latest Forecast Shows the U.S. Drought Moving West The drought shows signs of lifting in the East -- but the forecast shows more trouble ahead as the drought is expected to intensify in the West and Central Plains this summer, according to NOAA.

	May 16, 2013 Canadian Astronaut Chris Hadfield Reflects on Four Months in Orbit Canadian Space Agency Commander Chris Hadfield discussed his four months on the International Space Station during his first press conference since returning to Earth. He also spoke of the peril of re-adapting to gravity. He's even had to change the way he speaks. "I hadn't realized I'd learned to talk with a weightless tongue."

	May 15, 2013 Moon and Earth May Share a Watery Past Scientists have found water trapped in lunar rocks. But where did it come from? And how did it get there? A new study last week says it may have come from Earth more than 4 billion years ago.

	May 14, 2013 Book Explores Societal Transfer of Power From Big Institution to Active Citizen Author Nicco Mele's new book, 'The End of Big,' explores how technology has made the world a smaller place, opening up new opportunities for local politics, small business and average citizens to wield influence. Political editor Christina Bellantoni talks to Mele about his work and the ways technology impacts our democracy.

	May 14, 2013 Commander Hadfield Reports to Ground Control Commander Chris Hadfield is a great many things: photographer, educator, social media maven -- did I mention astronaut? Add troubadour to the laundry list. That his music video -- a cover of David Bowie's "Space Oddity" -- has already scored 6.6 million hits is a testament to his success as a popularizer of science and space.

	May 13, 2013 Got a Question for Google's Eric Schmidt and Jared Cohen? Google's Eric Schmidt and Jared Cohen will discuss their new book, "The Digital Age: Reshaping the Future of People, Nations and Business," in a live Google Hangout with PBS NewsHour at 2:30 p.m. ET, Tuesday, May 14, 2013. Got a question for the Google Executive Chairman or Director of Google Ideas? Tweet them using #DigitalAge.

	May 10, 2013 News Wrap: Carbon Dioxide Level Hits Grim Milestone In other news Friday, the National Oceanic and Atmospheric Administration reported that carbon dioxide in the Earth's atmosphere has reached a level not seen in millions of years. Also, the new skyscraper at Ground Zero in lower Manhattan now stands at its full height. The new structure will be the tallest in the U.S.

	May 10, 2013 As Rios Montt Trial Nears End, A Look Back at US Role in Guatemala's Civil War After seven weeks of testimony, a verdict may be reached today on the trial of former Guatemalan leader Efraín Ríos Montt, who is charged with genocide and crimes against humanity committed during his 1982-1983 rule. Revisit the 1983 debate over the U.S. role in Guatemala from the MacNeil/Lehrer Report.

	May 8, 2013 From Guatemalan Soil, Scientists Unearth Signs of Genocide In Guatemala, investigators using forensic science have compelling evidence that thousands of innocent indigenous Ixil Mayans were the target of extermination in the 1980s. Science correspondent Miles O'Brien reports on how murder, politics and science intersect in the genocide trial of former leader Efrain Rios Montt.

	May 8, 2013 Guatemala: Why We Cannot Turn Away Tonight, Miles O'Brien reports from Guatemala on forensic science used to document charges of a genocide against thousands of indigenous Mayans in the 80s. From Boing Boing's Xeni Jardin, who co-produced the piece, here's a look at their reporting.

	May 8, 2013 For Sarah Brightman, 'Dreamchaser' Is a Prelude to Upcoming Space Journey Sarah Brightman's latest album, "Dreamchaser," is inspired by her life-long fascination with space, and in two years, her childhood dream is set to become reality when she boards a rocket and travels to the International Space Station.

	May 7, 2013 Hey, Look at This! San Francisco's Exploratorium Boasts Fun, Interactive Science San Francisco's Exploratorium, one of the nation's most successful science and technology centers, has just opened its brand new location. Spencer Michels reports on how the center's hands-on teaching approach peaks the imaginations of children and adults alike.

	May 7, 2013 Inspiring Science With Frozen Roadkill and Harvested Whale Bones When San Francisco's newly constructed Exploratorium opened this spring, it received plenty of plaudits from the press and others. But across town, the Exploratorium has a cousin. Dan Sudran from San Francisco's Mission Science Workshop uses unlikely objects in an unlikely place to inspire kids about science.

	May 7, 2013 Solar Powered Plane Soars Slower than a Subaru A solar-powered airplane is flying at breakneck speed across the continental United States. If you're talking breakneck speed for a 1971 VW Microbus. With a flat tire.

	May 6, 2013 News Flash: EPA Now Accountable to Public There is nothing more frustrating for a reporter than posing a legitimate, reasonable questions to a representative of a federal agency and, in response, being told to talk to the hand.

	May 3, 2013 The Buzz on the Honeybee Colony Collapse A new government report on the decline of honeybee colonies in the U.S. stresses that no single cause is responsible for the spiraling losses. Instead, it's a complex mess of factors that includes exposure to pesticides, lack of food source for the bees and a variety of pests and pathogens.

	May 2, 2013 Google's Schmidt and Cohen Discuss Promise and Pitfalls of the Digital Future Google's Eric Schmidt and Jared Cohen explore the intersection of technology and democracy in their new book, "The Digital Age: Reshaping the Future of People, Nations and Business." Judy Woodruff talks to the authors about the promise and pitfalls of the digital future.

	May 2, 2013 How Connecting 7 Billion to the Web Will Transform the World Google leaders Eric Schmidt and Jared Cohen call the Internet "the world's largest ungoverned space," a space that is increasingly growing. In this exclusive online interview, Schmidt and Cohen talk with Judy Woodruff about how billions of people are finding creative solutions to connect and engage in new ways.

	May 1, 2013 The Antarctic's Ice Paradox When it comes to explaining how Antarctica is responding to climate change, the picture isn't always clear. While parts of the polar continent's glaciers have been lost, the sea ice is growing. Harsh conditions and a short satellite record makes piecing together the puzzle of Antarctica's climate a challenge to scientists.



	APRIL April 30, 2013 Space Debris Rains Down on Earth It's a little known fact that approximately once a week, a large object like a defunct spacecraft or a rocket body falls out of space and plunges back to Earth, likely landing in the ocean, or a vast area like Siberia or the Canadian outback. And smaller objects are falling from space back to Earth daily in a fiery descent.

	April 26, 2013 Space Junk Threatens Cascade of Collisions Scientists estimate there are roughly 30,000 items circling the Earth that are larger in size than 10 centimeters. This sheer amount of debris in low-Earth orbit is tipping space dangerously close to a cascade of hazardous collisions. Learn more on what we know about space junk.

	April 24, 2013 Creating a Whole New Planet for Math and Science Jerriel Hall has taken his third grade class to another planet for a day. Their mission: review their math and physics skills before their high-stakes standardized tests. The result is an out-of-this-world experience for the students.

	April 19, 2013 Crowdsourced Sleuthing Offers Extra Eyes and Ears, Some Wrong Turns Sophisticated technology and crowdsourcing have helped police and the public work together in identifying the suspects in the Boston bombing. But some of the theories posited online have targeted innocent people. Ray Suarez interviews former deputy homeland security adviser Richard Falkenrath and Will Oremus of Slate.

	April 18, 2013 Rise of Domestic Drones Draws Questions About Privacy, Limiting Use The increased domestic use of small unmanned aerial devices known as drones have spurred enthusiasm from law enforcement officials to amateur photographers. But the evolving use of the technology has also triggered privacy concerns. Hari Sreenivasan reports on the debate surrounding acceptable uses of domestic drones.

	April 18, 2013 How Do You Build a Do-it-Yourself Drone? Washington, D.C., resident Timothy Reuter's interest in drones started with reading about low cost do-it-yourself kits. He went ahead and ordered one, but quickly learned it wasn't as easy to build as he predicted.

	April 18, 2013 Two Earth-Sized Planets with Earth-Like Temperatures Discovered by Kepler Two Earth-sized planets with lukewarm temperatures have been discovered by NASA's Kepler space telescope. They are 1,200 light years away and their distance from their host star, means that they exist in the zone that could potentially host life. And their temperatures are not unlike an early Spring day on Earth.

	April 18, 2013 How Are Drones Used in the U.S.? How are drones used in the United States and how far are we from miniature helicopters flying up to our windows and peeking in?

	April 17, 2013 Science of Light Diffusion Brings Gollum to Life By understanding the science of light diffusion, visual effects artists have made great strides in the last decade in their effort to create digital characters with realistic-looking skin.

	April 15, 2013 Supreme Court Tackles Case of Patent Law, Human Genetics The Supreme Court heard arguments in a case on whether a biotech company can patent a gene associated with cancer. Jeffrey Brown gets details from National Law Journal's Marcia Coyle, plus viewpoints from Ellen Matloff of Yale Cancer Center, a plaintiff in the case, and Kevin Noonan, an intellectual property attorney.

	April 12, 2013 Vicious Sea Creature Sees in Dazzling Color The mantis shrimp, a terrible bedfellow to other sea creatures, has an unfathomable sixteen color receptive cones. (For perspective, humans have three.)

	April 12, 2013 The Day Polio Began Losing Its Grip on America Almost every summer not so long ago, polio epidemics left behind a wake of paralysis and death, leaving children struggling to walk or trapped in iron lungs. Then, 58 years ago today, a scientist made a startling announcement: He'd found a vaccine that would nearly wipe the disease from the U.S.

	April 10, 2013 Portals to the Past: Cloning the Original Cherry Blossoms More than 1 million visitors flock to Washington, D.C. every spring to see the cherry blossoms. But the 100-year old trees need to be preserved. Scientists have been cloning the trees to save their heritage.

	April 9, 2013 Babbling Sounds of Monkeys Share Rhythms with Human Speech Scientists studying the evolution of speech have long puzzled over why there are no good models in primates. While primates share many traits with humans, speech isn't one of them. With one possible exception. A group of wild monkeys from the Ethiopian highlands called geladas make gutteral noises that sound eerily human-like.

	April 8, 2013 'The End of Big' Argues That Technology Helps The Little Guy In his new book "The End Of Big: How The Internet Makes David The New Goliath," author Nicco Mele examines democracy taking place outside our existing structures of power, government and big business. Mele argues that such a shift makes us "reimagine" society as we know it, and helps return power to the little guy.

	April 5, 2013 Parachute Blows in the Mars Wind A newly released series of images snapped by NASA reveals that the Curiosity rover's parachute has been flapping in the thin Martian wind. This may seem hardly newsworthy or a no-brainer. But it's notable because scientists didn't know if the wind on Mars was thick enough or gusty enough to have this effect.

	April 3, 2013 What Do Federal Spending Cuts Mean for Science and Researchers? Major science organizations rely heavily on government funding, including top federal programs like the National Institutes of Health, the Centers for Disease Control and NASA. Jeffrey Brown talks to Matt Hourihan of the American Association for the Advancement of Science on how the sequester will impact researchers.

	April 3, 2013 Sequester Cuts to Science Slow Biomedical Research Scientists are scaling back medical research due to sequestration cuts.

	April 2, 2013 James Hansen Steps Down from NASA NASA climate scientist James Hansen announced this week he will retire from NASA in order to spend more time on his campaign to cut carbon emissions. He has spent more than 30 years tracking and publishing climate models that have projected the influence of carbon dioxide on global warming.

	April 2, 2013 Tips (and Recipes) for the Cicada Invasion Before the root sucking, egg laying, battery-sized bugs emerge from the earth en masse around Memorial Day, we wanted to offer a few fun cicada-themed activities, events and culinary options.

	April 2, 2013 What if a Search Engine Could Determine an Election? What if search engines manipulated their search results? Dr. Robert Epstein, a senior research psychologist at the American Institute for Behavioral Research and Technology says if they did, it could affect what voters find online and as a result influence elections. Hari Sreenivasan talks to Epstein about his latest research.



	MARCH March 29, 2013 Swarms of Cicadas to Invade Eastern U.S. If you live along the mid-Atlantic from North Carolina to Connecticut, get ready to witness the loud and "spectacular" mating ritual of the cicadas.

	March 28, 2013 Generation of Tech-Savvy Toddlers Go for Tablets Over Teddy Bears More and more, toddlers are grasping for tablets and smart phones over traditional toys. The Atlantic magazine explores this trend in its cover story, "The Touch-Screen Generation." Author Hanna Rosin joins Ray Suarez to discuss apps designed for kids, the impact of technology on childhood and whether parents should be worried.

	March 27, 2013 Cyber War Over Spam Slows Access for Internet Users A dispute between an online company that sends spam emails and a company trying to mitigate spam has led to the one of the largest reporter cyber attacks in history, creating slow access to websites like Netflix and others around the world. Hari Sreenivasan talks over the case with Nicole Perlroth of the New York Times.

	March 27, 2013 Songs in the Key of Biology: Students Write Hip-Hop to Learn Science In a New York City classroom, teachers use rap songs to teach complex science. Playlists are used as a metaphor to convey natural selection, and students compose raps songs to reinforce concepts. Ray Suarez reports on the effectiveness of this strategy and interviews hip-hop legend (and science geek) GZA of the Wu-Tang Clan.

	March 27, 2013 School House Rapping With Wu-Tang Clan’s GZA In his upcoming solo album, "Dark Matter," Wu-Tang Clan's GZA rhymes about the Big Bang. The legendary rapper performed his new material at Bronx Compass High School, where he hopes to pique students' interest in science by introducing hip-hop to the lesson plan.

	March 26, 2013 'The World Needs You, Badly,' Edward O. Wilson Tells Young Scientists Edward O. Wilson's "Letters to a Young Scientist" is a book about finding your passion for science and following it faithfully. "Be prepared mentally for some amount of chaos and failure," he writes. "Daydream a lot."

	March 22, 2013 Big Bang Afterglow Reveals Older Universe, More Matter, Slower Expansion In the 13.8 billion years since the Big Bang, the universe expanded by 1,100 times and its afterglow has cooled so much that it is now invisible to the eye. But it's not invisible to Planck, the satellite that was built to see and measure this ancient light with unmatched precision.

	March 21, 2013 Tennessee Is Home to U.S. Leader in Offering Fast, City-Wide Internet Chattanooga, Tenn., is home to American's fastest internet connection -- up to 200 times faster than the national average. Hari Sreenivasan talks with Sheldon Grizzle of The Company Lab and Richard Bennett from the Information Technology and Innovation Foundation about whether Chattanooga offers a model for the rest of the U.S.

	March 20, 2013 100 Years Later, Retracing Shackleton's Antarctic Trek Next year marks the 100th anniversary of Sir Ernest Shackleton's historic, ill-fated and ultimately failed expedition to become the first person to transverse Antarctica. Hari Sreenivasan spoke with one adventurer, Joanne Davies, who plans to finish what Shackleton started.

	March 19, 2013 Discovering Higgs Boson: the Thrill and Drama of the Waiting Game The famous CERN laboratory in Switzerland found new evidence pointing to the confirmed existence of a particle known as the Higgs boson. Here's a review of the best writing yet on this elusive discovery explaining the tricky science, complete with drawings, animations and a "guide for the perplexed."

	March 15, 2013 Decision Delayed on Dangerous Chemical Found in Drinking Water Science correspondent Miles O'Brien talks to scientists, members of the chemical industry and representatives from Pacific Gas and Electric about chromium-6 contamination in American drinking water. What is a safe level for humans to consume and why has the EPA stalled on setting a federal standard?

	March 15, 2013 How to Get Chromium-6 Out of Your Water Nearly 70 million Americans are believed to have hexavalent chromium in their drinking water. The good news is there are filters you can buy to remove the chemical from your tap water.

	March 14, 2013 Strong Signs of Higgs Discovery New results from Geneva’s Large Hadron Collider “strongly indicate” that scientists have found the Higgs boson, an elusive particle believed to be responsible for giving mass to matter. One step closer to discovering this Holy Grail of physics, Higgs has huge implications for understanding the origins of the universe.

	March 14, 2013 Geeking Out on Pi Day: For the Love of Pi and the Tao of Tau March 14 is Pi Day, the official celebration of the mathematical constant pi, the number that represents the ratio of a circle's circumference to its diameter. Here's NewsHour's ode to pi, a number that has an infinite and unknown quality which draws math enthusiasts to it.

	March 13, 2013 Protecting Americans From Danger in the Drinking Water In part one of a two-part series Miles O’Brien travels to Hinkley, Calif., the town featured in the movie Erin Brockovich, for its multi-million battle over contaminated groundwater. O'Brien reports on the investigation into the chemical Chromium-6, the agency that regulates it and industry's influence on the process.

	March 13, 2013 Who Gets Ownership of Your Digital Life When You Die? It's clear our lives have changed as a result of the technological revolution. What's not clear is what happens to our digital lives when we die. Do you have questions regarding the debate over how to govern our online assets? Join our live chat here on Thursday at 1 p.m. ET.

	March 13, 2013 Erin Brockovich: The Real-Life Unhappy Ending On tonight's NewsHour, Miles O'Brien reports on the decline of Hinkley, Calif., the town featured in the movie Erin Brockovich. Here's the not-so-Hollywood version of what really happened in Hinkley and beyond.

	March 13, 2013 Obama Continues Outreach to Hill As Poll Numbers Dip Much has been made about President Barack Obama's stepped up outreach to lawmakers on Capitol Hill aimed at boosting support for his fiscal policies. But there are fresh signs that the president should also keep an eye on his standing with the American people when it comes to his handling of the economy.

	March 12, 2013 Researchers Aim to Unlock Genetic Data Goldmine for Vital Medical Information Researchers in the San Francisco Bay area believe genetic tests will help them find the best ways to treat and potentially prevent diseases such as Alzheimer's disease, breast and prostate cancers. Spencer Michels reports on a giant data bank that houses genetic information on 200,000 people as part of a groundbreaking study.

	March 12, 2013 How Well Do You Want to Know Your DNA? On tonight's PBS NewsHour, Correspondent Spencer Michels reports on a massive, groundbreaking study underway at Kaiser Permanente and the University of California at San Francisco, which one day may shed light on the genetic roots of health conditions such as Parkinson's, cancer, Alzheimer's and heart disease.

	March 12, 2013 What Blood, Spit and a Data Bank Can Tell Us About Disease A giant data bank containing genetic information on 200,000 people is in full operation in the San Francisco area. It's being ballyhooed by its founders as the world's best such repository. Researchers have begun to use it to explore the links between genes and disease, and environmental factors like pesticides and genetics.

	March 12, 2013 How to Eat an Apple in Space Canadian astronaut Chris Hadfield assumes the reins this week as commander of the International Space Station and he is giving his 500,000 Twitter followers a virtual glimpse into his life in orbit.

	March 11, 2013 Law Lags Behind in Defining Posthumous Protocol for Online Accounts What happens to your email, Facebook page and other digital property when you die? Naomi Cahn of the George Washington University School of Law, and Evan Carroll, co-author of "Your Digital Afterlife," talk to Jeffrey Brown about the legal and ethical quandaries of dealing with a loved one's digital assets after they're gone.

	March 11, 2013 What Happens to Our Digital Lives When We Die? The era of keeping cherished letters, photos and diaries in a shoe box under the bed is rapidly coming to an end. So when so much of our information, memories and interactions are stored in online accounts, it's unclear who should get posthumous access to our electronic personal data.

	March 8, 2013 Curiosity Sleeps Through Solar Flare Earlier this week, when a large cloud of hot plasma erupted from the sun, and began charging across space toward Mars at speeds of 1,200 miles a second, the Curiosity team powered down the rover. So for 22 hours, while the coronal mass ejection hurled through space, Curiosity slept.

	March 6, 2013 Protecting the Solar System... From Us The scientific community has been worried about contaminating solar system bodies with Earth life for a long time. Today NASA has an Office of Planetary Protection, and with each new space mission, hundreds of scientists and engineers are responsible for ensuring the spacecraft we're sending into outer space are "clean."

	March 5, 2013 What the Sequester Means for Science Researchers nationwide are bracing for the impacts of the sequestration cuts, which are poised to strike a fierce blow to science.

	March 1, 2013 Seawater Saltiness Seen from Space The ocean, by some estimates, holds enough salt to cover the entire surface of the Earth, layered to the height of a 40-story office building.



	FEBRUARY Feb. 28, 2013 The Day Scientists Discovered the 'Secret of Life' Sixty years ago today, two men burst into a bar to declare they "had discovered the secret of life." Indeed, they had. That morning, the pair worked out the double helix structure of deoxyribonucleic acid, better known to every first-grader as DNA.

	Feb. 27, 2013 How Can Media Move Millions Toward Action? On Thursday, Hari Sreenivasan will be a moderator at the "Media as Global Diplomat: Media That Moves Millions" conference, hosted by ITVS and the U.S. Institute of Peace. You can follow the conversation live here.

	Feb. 26, 2013 The Hidden Lives of Wolves From 1990 to 1996, Jim and Jamie Dutcher lived in a tented camp on the edge of Idaho's Sawtooth Wilderness, where they observed and studied the behavior and social hierarchy among a pack of gray wolves, known as the Sawtooth Pack.

	Feb. 25, 2013 What a Missing Section of One Man's Brain Taught Science About Memory It was in 1953 that a neurosurgeon removed a significant portion of Henry Gustav Molaison's brain, including much of the amygdala and the hippocampus. The patient, known as H.S. up until his death in 2008 at age 82, was intensely studied, making him one of the most important patients in the history of brain science.

	Feb. 22, 2013 Hanging Out Live With Astronauts From the International Space Station For a delectable Lunch in the Lab, Orbiting 240 miles above the Earth, three NASA astronauts will participate in a Google Plus hangout from the International Space Station at 10:30 a.m. Watch the conversation live

	Feb. 21, 2013 Live Chat: Mind of a Rampage Killer Can science help explain what combination of factors compels a human being to commit the most inhuman of crimes? Join Miles O' Brien of the report "Mind of a Rampage Killer" on NOVA, and social science expert Katherine S. Newman of Johns Hopkins for a live chat at 7 p.m. ET today.

	Feb. 21, 2013 Son of 'I Am Adam Lanza's Mother' Likens Rage to Becoming a Werewolf For his PBS NOVA documentary on the brains of rampage killers, Miles O'Brien spoke with Liza Long, the Idaho-based writer who penned the blog, "I am Adam Lanza's Mother," and her son about his struggle with mental illness.

	Feb. 20, 2013 News Wrap: Jesse Jackson Jr. Pleads Guilty to Campaign Spending Fraud In other news Wednesday, Jesse Jackson Jr. pleaded guilty to spending $750,000 of campaign funds on personal items. Also, the Obama administration launched a new strategy to fight cyber theft in light of a recent report showing a Chinese military unit hacked more that 140 U.S. computer systems.

	Feb. 20, 2013 Sins of the Sons It’s a parent’s nightmare. Your child’s school has been the scene of a mass shooting. But what if your child was the shooter? Miles O’Brien meets the father of a rampage killer and a mother who worries her son might one day become one.

	Feb. 19, 2013 U.S. Security Firm Report Says Chinese Hackers Targeted Over 140 Victims Though China denies the allegations, security firm Mandiant has issued a report detailing years of prolific cyber-espionage against the U.S. by a Chinese military unit. Mandiant's Richard Bejtlich and Christopher Johnson from the Center for Strategic and International Studies join Judy Woodruff to discuss what was stolen.

	Feb. 19, 2013 More Evidence Chinese Military Unit Hacked Hundreds of U.S. Computer Systems An intelligence report suggests that a secretive military unit in China has been hacking the computer systems of American corporations and organizations since 2006 and stealing information. President Obama highlighted the need for greater cyber security in his recent State of the Union address. Judy Woodruff reports.

	Feb. 18, 2013 School Shooter: 'My Grand Plan Was Suicide by Cop' In 2001, Andy Williams opened fire on his high school campus, killing two and wounding 13. In a recent phone call with science correspondent Miles O'Brien, he reflects on that shooting from California's Ironwood State Prison.

	Feb. 18, 2013 How the Sticking Power of Mussels Can Advance Fetal Surgery Mussels, those brainless, hard-shell mollusks that taste great when simmered in white wine, possess a phenomenal sticking power that if mimicked could advance important surgeries. A group of scientists presented their research on the topic at the AAAS Annual Meeting in Boston.

	Feb. 15, 2013 Examining Cyber Security With Homeland Security Secretary Janet Napolitano Among the initiatives launched by President Obama in his State of the Union address was a comphrensive cyber security plan. Homeland Security Secretary Janet Napolitano talks with Ray Suarez about combating the growing threat of cyber attacks and the top three countries poised to launch cyber attacks against the U.S.

	Feb. 15, 2013 Cosmic Coincidence: Asteroid Careens by as Meteor Delivers 'Buzz Cut' to Earth On the same day as a meteor hit Russia, an asteroid careened towards Earth. Jeffrey Brown talks to astrophysicist Neil deGrasse Tyson about this cosmic coincidence, how the meteor and asteroid came so close to Earth, what risks it poses and why this is a 'wake-up call.'

	Feb. 15, 2013 Meteor Explosion of Atomic Bomb Strength Injures 1,000 in Russia Paul Davies of Independent Television News reports that 10-ton meteor that fell over Russia with atomic bomb power. The meteor caused a fireball, blowing out windows and injuring 1,000 people.

	Feb. 15, 2013 Know Your Terms: Shooting Stars, Dirty 'Snowballs' and Space Rocks on Earth Asteroids, comets – they’re all classified as Near Earth Objects, or NEOs, which are objects that have been pushed and pulled by gravitational force close to the Earth. But there’s a big difference between these heavenly bodies and the space dust and debris that collide with the Earth every year.

	Feb. 15, 2013 Napolitano Names Top Three Countries as Sources of Cyber Attacks Homeland Security Secretary Janet Napolitano told NewsHour senior correspondent Ray Suarez on Friday that cyber attacks on the United States are on the rise, and internationally, three countries are the biggest sources: Iran, Russia and China.

	Feb. 15, 2013 Meteor Explodes Over Central Russia Triggering Destructive Sonic Blast Travelling at hypersonic speed, a meteorite exploded over the central Russian city of Chelyabinsk and the resulting shockwave smashed windows and set off car alarms damaging homes and businesses. Nearly 1,000 people have been injured.

	Feb. 13, 2013 Ouster of Scientist from EPA Panel Shows Industry Clout Deborah Rice served as chair of an EPA panel assessing the safety levels of flame retardants in 2007, but her removal from that panel led some to believe that a powerful industry lobbying group had influenced the EPA and unfairly targeted the scientist.

	Feb. 12, 2013 Google Earth Keeps Watch on World's Nuclear Sites Through satellite images, the intelligence community has long been able to detect suspect nuclear reactor sites across the world. Many of these images feature excavated sites of displaced earth, structures resembling the dimensions of a nuclear reactor building, security around buildings and construction work in progress.

	Feb. 12, 2013 Filipino Shopkeepers Get Help Breaking Into Mobile Phone Market Mark Ruiz, a young Filipino social entrepreneur we profiled last year in our Agents for Change series, is about to embark on the next chapter of his Hapinoy project by helping small shopkeepers in his home country adapt to the ever-growing mobile phone market.

	Feb. 11, 2013 What's Not to Like? Using the Facebook 'Like' to Connect, Commune, Endorse NewsHour's political editor Christina Bellantoni joins Daily Download's Lauren Ashburn and Howard Kurtz to discuss the ins and outs of 'liking' someone or something on Facebook as part of the NewsHour's continuing conversations about the digital world's cultural impact.

	Feb. 11, 2013 Have You Given Up On Facebook? Monday's Daily Download segment will explore what it means to "like" something on Facebook, and the trend of people who choose to ditch using Facebook altogether. We want to hear from you. Have you given up on Facebook? Why? How was the break? What did you learn from the experience?

	Feb. 8, 2013 New Discoveries From NASA's 'Curiosity' Rover's Mission to Mars Spencer Michels has the story of NASA's newest rover vehicle, aptly named "Curiosity," and its mission to Mars. Curiosity has made some new discoveries, begging the age-old question, does life exist on the red planet?

	Feb. 8, 2013 Earliest Placental Mammal Described in Breathtaking Detail A new study seems to resolve the mystery of whether placental mammals evolved before or after a massive asteroid plowed into the Earth 65 million years ago, wiping about 70 percent of all species. Emerging after the dinosaurs died out, a tiny, scrambling, chipmunk-like creature is the common ancestor to all placental mammals.

	Feb. 8, 2013 With Unfinished Business, NASA Plans More Missions to Mars The Mars "Curiosity" rover's mission to the red planet has been hailed as a success, so why does NASA want to keep going back to the same place again and again? Scientists at NASA's Jet Propulsion Laboratory explain.

	Feb. 6, 2013 Air Pollution and Cockroaches Fuel Inner City Asthma In New York city, children growing up in different neighborhoods spitting distance of each other have a threefold difference in risk for developing asthma. So why the disparity? Cockroaches, pollution and genes, a new study finds.

	Feb. 4, 2013 Now Is the Winter of Our Discovery: Tracing History Through DNA King Richard III, depicted by some as a wicked, Machiavellian murderer and by others as a champion of the common man, was identified on Monday by DNA analysis after his bones were unearthed from a car park in Leicester.

	Feb. 1, 2013 Whip Scorpions and Jungle Nymphs: Behind the Scenes at the Insect Zoo And now, an end-of-the-week pause to celebrate insects and the people who love them. Here's a look at the many tiny marching legs and rustling wings of the Smithsonian's Insect Zoo and the staff and volunteers that tend to it all.

	Feb. 1, 2013 Keeping Your Company, Personal Info Safe from Social Engineering Hacks Before you open that attachment or click that link in your email, you might want to reconsider. Hacker turned computer security wiz Kevin Mitnick breaks down some of the ways hackers are using social engineering techniques to wreak havoc on your computers.



	JANUARY Jan. 31, 2013 New York Times Computer System Target of Lengthy Chinese Hacking Attack The New York Times fell victim to a four-month cyber attack by Chinese hackers who cracked passwords to more than 50 email accounts, including those of top reporters. Ray Suarez talks with Times reporter Nicole Perlroth and Grady Summers, vice president of the cyber security company hired to investigate the attacks.

	Jan. 30, 2013 Scientist Seeks Connection Between Fire and Ice in Greenland Are wildfires and industrial ash speeding up ice melt in Greenland? Jason Box, an ice climatologist, wants to find out. But when the research grant didn't come through, he started the Dark Snow project to raise the money for an expedition.

	Jan. 28, 2013 New Space Telescope to Map Dark Matter This week, NASA announced that it will partner with the European Space Agency to send a 4,760-pound spacecraft into space. The Euclid mission space telescope will peer out over billions of galaxies, map and measure the universe, and investigate the mysteries of dark matter and dark energy.

	Jan. 25, 2013 Cloned Cave Baby Lost in Translation Cloning prehistoric babies was a hot topic on the web this week as headlines advertised the so-called story of a scientist seeking “adventurous woman to have Neanderthal baby.” It wasn't true. The words of geneticist George Church got all mangled in the translation of an interview from English to German and back to English.

	Jan. 23, 2013 Genes and Environment Combine to Bring on Mental Illness Schizophrenia and other serious mental illnesses typically manifest during young adulthood or late adolescence. But what causes a person to develop these diseases? Are there triggers? And if we knew what they were, could the illness be prevented?

	Jan. 22, 2013 What I Did When My Email Account Was Hacked (Besides Panic) Paul Solman recounts his own reluctance to abandon Yahoo! Mail in favor of the ubiquitous Google Gmail, and the hacking scam that pushed him to make the switch.

	Jan. 18, 2013 Paint Pigment, Violent Raccoons and Other Surprising Mercury Trivia Did you know the use of mercury dates as far back as 5,000 B.C.? Or that mercury-laden paint used by the Romans was found in homes buried by the volcanic ash of Mount Vesuvius in 79 A.D.?

	Jan. 17, 2013 In Pre-Trial Hearings for WikiLeaks Case, Rulings on Admissable Evidence, Motive Pre-trial hearings against Army Pfc. Bradley Manning have ended. Manning is accused of "aiding the enemy" by leaking thousands of classified military documents, many of which were published on WikiLeaks. Hari Sreenivasan talks Arun Rath, a reporter for PBS' Frontline and PRI's The World, about what happened in the courtroom

	Jan. 16, 2013 How Math Got Its Groove Back Carrie Lewis and Kelly Steele's fifth grade students slide and spin across the classroom floor. They do the hustle, the robot and the running man. While it may look at first glance like goofing off, these students are actually dancing for a higher cause -- math.

	Jan. 15, 2013 Talking Tech Trends With Harper Reed, Obama Campaign's Former CTO Harper Reed's place in political history was cemented by his role as chief technology officer for the Obama re-election campaign. When he dropped by NewsHour, we talked about his other interests.

	Jan. 14, 2013 Internet Innovator and Activist Aaron Swartz, 26, Faced Legal Trouble Aaron Swartz, prodigy co-developer of RSS code and the website Reddit, faced federal charges for distributing articles from a subscription-based database. Swartz committed suicide at the age of 26. Margaret Warner talks to Wired magazine's Kevin Poulsen about Swartz's advocacy to make data available to the public online.

	Jan. 14, 2013 Call for Nominations: Know a Creative Science or Math Teacher? NewsHour is launching a new series highlighting science and math teachers, kindergarten through high school, across the county who are using innovative teaching methods in the classroom. Do you know a teacher who inspires students? Cast your nomination here.

	Jan. 14, 2013 Milky Way Awash in Planets The number of planet candidates discovered by NASA's Kepler mission have increased by 20 percent and now totals 2,740 potential planets orbiting 2,036 stars.

	Jan. 11, 2013 Glimpsing Gadgets, Cutting Edge Technology at Consumer Electronics Show The annual International Consumer Electronic Show, one of the largest tech gatherings in the world, was held in Las Vegas this week. Ray Suarez talks to Washington Post reporter Cecilia Kang about technology improvements and new designs, from 3D printers to ultra HD televisions to mobile devices.

	Jan. 11, 2013 The NewsHour Has the Flu The NewsHour has the flu. Or a really bad cold. Or some combination of the two. And we are a reflection of our great nation here, if Google search terms are any indicator.

	Jan. 10, 2013 At Consumer Electronics Show, Sorting the Go-Go Gadgets from the No-Go It's not obvious whether a new gadget's public debut at the annual Consumer Electronics Show would be better described as taking the stage or walking the plank. Will this year's Ultra HD TV become 2010's 3-D TV?

	Jan. 10, 2013 The 2013 International Consumer Electronics Show The 2013 Internation Consumer Electronics Show or CES, is held in Las Vegas, Nevada from January 8 to January 11, 2013. Depicts the newest electronic inventions from Samsung, Dell, Canon, Sony, LG, Nvidia, and Withings.

	Jan. 10, 2013 How Skiers Move Moguls Uphill Little-known winter fact: Ski moguls, those tricky-to-navigate bumps on well-traveled runs, migrate slowly uphill. David Bahr, an avid skier and professor of physics and computational sciences at Colorado's Regis University, had suspected for some time that the moguls he slalomed moved up the mountain, so he tested the theory.

	Jan. 9, 2013 Talking Robots Play Part in Therapeutic Treatment for People With Special Needs Researchers at University of Notre Dame and University of Southern California have found that robots can be less intimidating than humans to some patients. Ray Suarez reports on how researchers are using machines as nontraditional therapists to treat conditions such as autism in children and strokes for seniors.

	Jan. 8, 2013 One Professor's Approach to Online Learning: He's Learning Too Online learning at the university level comes in a variety of flavors. The hottest one right now is the MOOC, or massive open online courses, that are primarily given for free and do not, for the most part, carry transferrable college credit. But online classes have been around for a long time.

	Jan. 7, 2013 Beyond Suburbia: The Other Side of Vultures As birds go, vultures fare poorly in popularity contests. But here's why the powerful stomachs of these misunderstood creatures play an important role in preventing disease spread.

	Jan. 4, 2013 How Are Arts Organizations Using Digital Technologies? A new study, "Arts Organizations and Digital Technologies," was published Friday by the Pew Internet & American Life Project. It looks at the ways in which cultural organizations -- theater companies, orchestras, museums -- are using the Internet, social media and mobile apps to grow, promote and enrich the things they do.

	Jan. 4, 2013 Smoking Out the Vultures Next week, the Department of Agriculture will use fireworks, lasers and a chase car to drive out a massive colony of vultures roosting in a suburban Virginia neighborhood.

	Jan. 3, 2013 Crumbling Pipes and Underground Waste: A Glimpse at Our Ailing Sewer System As clean water regulations become tougher and sewer systems and water treatment plants become outdated, cities are struggling to stay compliant and safe. Science correspondent Miles O'Brien goes underground to discover the many ways America's sewer systems could be revamped to conserve water and save money.

	Jan. 3, 2013 Into Pungent Water Science correspondent Miles O'Brien plunged into a muck of that which rhymes with "it" to investigate our ailing sewage system. Here's his story of what happened underground. Don't miss his full report on tonight's NewsHour.

	Jan. 1, 2013 Is the Amazon Rainforest Drying Out? In the last few years, a patch of forest in Peru's Ucayali region has been hit by two "once-in-a-century droughts" -- one in 2005 and another in 2010. These dry spells may become more frequent as temperatures in the tropical North Atlantic Ocean rise and as humans burn thousands of square kilometers of forest for farming.