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'Ghost Particles' In Antarctica Offer Glimpse Of Deep Space

By putting light sensors inside a giant ice cube that's a mile beneath the South Pole, scientists detected 28 neutrinos from beyond the solar system. It's just a start – but researchers hope the work could eventually yield a way to see through debris clouds to the core of exploding stars.

Reinventing The Condom With Easy-On Tabs And Beef Tendon

What would it take for people to like using condoms? Inventors say it's all about the fit and feel. The 11 winners in a competition sponsored by the Bill & Melinda Gates Foundation include one condom made from beef tendons, and another that's heat-activated for a glove-like fit.

Walking The World: 7 Years And Counting

Paul Salopek is on a seven year trek, literally walking around the world - and he's posting photos, videos, and comments about his journey online. Guest host Celeste Headlee speaks with Salopek, and education advisor Homa Tavangar, about the different things kids can learn by seeing the world through Paul's eyes.

Remember 'French Fries Cause Cancer'? Here's The Acrylamide Update

Back in 2002, news that acrylamide, a carcinogen in animals, had been found in some foods set off a bit of a panic. Now the FDA has issued a new warning on the chemical in food. But here's the puzzler: In the years since that first scare, the human studies haven't really backed those initial concerns about cancer.

Organic Farmers Bash FDA Restrictions On Manure Use

Many organic farmers are hopping mad right now at the U.S. Food and Drug Administration. Their reason? Fertilizer. The FDA, as part of its overhaul of food safety regulations, wants to limit the use of animal manure, which organic farmers call a precious resource and a basis of their farming practices.

At Climate Meeting, Tensions Rise Between Rich And Poor Nations

At the United Nations climate talks in Warsaw, Poland, conflict between rich and poor nations is mounting. The developing world wants large sums of money to help them adapt to climate change. The U.S. and Europe say they're doing what they can to help but times are tough.

Poor Countries Push Rich Nations To Do More On Climate Change

Delegates to the U.N. climate change conference in Poland from many of the world's poorer nations are asking wealthier countries to pay compensation to the impoverished countries bearing the brunt of climate change. Melissa Block talks to Munjurul Hannan Khan, negotiator and spokesman for the Least Developed Countries Group about the tensions between rich and poor countries.

Can A Fish Farm Be Organic? That's Up For Debate

The federal government is struggling to figure out how to fit fish farms into the National Organic Program, which regulates organic land-based farms. Environmentalists argue that fish farms shouldn't quality for an organic label if they don't use organic feed.
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Historic Launch Puts Satellite Built By Fairfax Students Into Orbit

It was a momentous day at NASA's Wallops Flight Facility in Virginia Tuesday night, as a group of current and former students from Thomas Jefferson High School for Science and Technology saw the satellite they built put into orbit.


First Satellite Developed By High Schoolers Sent Into Space

The first satellite ever developed by high school students to make it to space is believed to be orbiting Earth after getting a ride aboard a U.S. military rocket Tuesday night from Wallops Island, Va. Fittingly, perhaps, you can send it a text message.