Incredible, Edible Bugs: Will Meals of Mealworms Catch on in U.S.?
Listen to the AudioMost Americans would squirm when even thinking of eating a grasshopper or locust. But a movement is afoot to encourage insect eating with advocates praising bugs' low fat and high...
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Breathalyzer Detects Diseases From Diabetes to Cancer
EmbedVideo(3340, 514, 320);Take a deep breath and exhale thousands of clues about your health. Perena Gouma and her team at Stony Brook University have developed a breathalyzer with a sensor chip that...
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'Oops Babies' Sired by Twice-Vasectomized Chimp
EmbedVideo(3319, 482, 304);Editor's note: On Thursday's NewsHour broadcast, science correspondent Miles O'Brien reports on the debate over using chimpanzees for biomedical research. First, here's an...
View ArticleChimpanzee Testing: Is it the Beginning of the End?
Listen to the AudioMedical experiments on chimpanzees can be invasive, involving injections, blood samples and liver biopsies. But some say it's the only way to advance medicine. Miles O'Brien's report...
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The Veins of a Leaf: Revealing Nature's Mathematical System
Nature is a great architect, and the vascular network - or veins - of a leaf are key to its structure. Mathematical physicists at Rockefeller University use fluorescent dye and time lapse photography...
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Paralyzed Woman Powers Robotic Arm With Her Mind
On April 12, 2011, a 59-year-old woman with a sensor implanted in her brain picked up her cinnamon latte with a robotic arm, brought it to her lips and took a sip through a straw using only her...
View ArticleThe Future of Prosthetics: Mind-Bending Robotic Arms
Listen to the AudioResearchers have shown that patients paralyzed from the neck down can move robotic arms with their minds, according to a new report in the journal Nature that documents two cases...
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SpaceX Readies for Historic Launch
EmbedVideo(3389, 482, 304);On Saturday, if all goes as planned, the privately owned spaceflight company SpaceX will launch its Dragon capsule into low-Earth orbit and three days later dock with the...
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The Rise of Facebook
Founded in 2005, Facebook's social network has changed our relationships with friends, family and co-workers, created a new playground for politics, and altered the rules for media, culture and...
View Article'The Information Diet': Should Americans Exercise More 'Conscious Consumption'?
Listen to the AudioClay Johnson, author of "The Information Diet: A Case for Conscious Consumption", discusses with Hari Sreenivasan how abundant technology affects our health -- producing pulsing side...
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Mapping Alligator Genomes Is Risky Business
EmbedVideo(3431, 480, 320);Science Nation looks for answers in crocodile DNA.Collecting DNA samples isn't easy when your subject could snap off your hand with one bite, but it's a risk David Ray -- a...
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Miles O'Brien on SpaceX Launch: Space for the Rest of Us
Courtesy: NASAUpdated 2:10 p.m. ETSpace is hard and unforgiving and there is still a lot of challenging work ahead for the SpaceX Dragon team. I would not pop the champagne corks just yet. But this is...
View ArticleSpaceX Blasts Into 'Uncharted Territory,' Hoping to Make Space Cheaper
Listen to the AudioAfter several delays -- including a last-second abort on Saturday when computers spotted a bad engine valve, Space Explorations Technologies Corporation on Tuesday became the first...
View ArticleA Year After Joplin's Tornado, Disaster's 'Immensity' Still a Challenge
Listen to the AudioOne year ago, a tornado packing 200 mph winds tore through the city of Joplin, Mo., killing 161 people and destroying 8,000 buildings -- including many homes. Gwen Ifill and...
View ArticleAs Golden Gate Bridge Turns 75, History Revised to Honor Engineer
Listen to the AudioThe Golden Gate Bridge opened to traffic on May 27, 1937. This weekend, 75 years later, San Francisco plans to celebrate while honoring the engineer whose contributions to the design...
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How the Nuclear Bomb Gave Us the Computer
EmbedVideo(3476, 480, 320);At the close of World War II, in Princeton, N.J.'s Institute for Advanced Study, an extension of the Manhattan Project was busy building a bomb that would be a thousand...
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International Space Station Catches 'Dragon by the Tail'
"Looks like we've got us a dragon by the tail," announced NASA astronaut Don Pettit as the International Space Station's robotic arm reached out and grabbed the SpaceX Dragon capsule Friday...
View ArticleNews Wrap: International Space Station Grasps SpaceX 'Dragon' Capsule
Listen to the AudioIn other news Friday, the unmanned SpaceX "Dragon" spacecraft was captured by the International Space Station's robot arm in a rendezvous high over Australia. In Syria,...
View ArticleAre U.S. Nuclear Plants Ready for a Fukushima-Like Meltdown?
Listen to the AudioWhen Chairman Gregory Jaczko resigned from the Nuclear Regulatory Commission this week, reports suggested it was linked to battles within the commission over safety requirements. In...
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Floating Architecture: Preparing for a Life on Water
As the climate continues to change, scientists are predicting more precipitation, flooding and rising seas across the globe. In response, there is a growing movement in architecture and design to...
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