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Updated: 46 min 40 sec ago

A 45,000-Year-Old Leg Bone Reveals The Oldest Human Genome Yet

Wed, 10/22/2014 - 1:39pm

The DNA in this ancient Siberian leg bone shows that the man had Neanderthal ancestors — yet more proof that humans and Neanderthals interbred. And he lived much farther north than expected.

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Banned Drugs Still Turning Up In Weight-Loss Supplements

Wed, 10/22/2014 - 7:49am

Just because the Food and Drug Administration recalls a supplement because it contains dangerous substances, doesn't mean the product disappears from the market.

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Ebola Vaccine Could Start Testing In Africa By January

Tue, 10/21/2014 - 5:08pm

The World Health Organization says two vaccine candidates now undergoing small-scale tests of dosage and safety in people might be ready for broader deployment in Africa by early 2015.

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When Reassuring Isn't: Cruise's Needless Rush To Test For Ebola

Mon, 10/20/2014 - 4:47pm

Officials in Galveston, Texas, meant well when they tested a passenger while she was still at sea. But some say the rush (which included a U.S. Coast Guard helicopter) was needlessly alarming.

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Why Are The Great Lakes On The Rise?

Mon, 10/20/2014 - 2:53pm

Host Audie Cornish talks with Drew Gronewold, a hydrologist at the National Oceanic and Atmospheric Administration, about why water levels in lakes Superior, Michigan and Huron are rising.

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Our Skulls Might Have Evolved To Withstand Blows To The Face

Sun, 10/19/2014 - 11:04am

Many scientists believe that a diet of nuts, seeds and other tough, brittle foods shaped our faces, but a June study in Biological Reviews suggests that violence had a heavier hand in its evolution.

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DOD: Climate Change Is A Volatile Factor In International Security

Sun, 10/19/2014 - 6:43am

The Department of Defense says climate change is an "immediate risk" to the nation. Admiral David Titley talks with NPR's Rachel Martin about how the military must respond.

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Mars Probes Give Scientists Box Seats For Rare Comet Flyby

Sat, 10/18/2014 - 11:14am

A "mountain-sized" comet known as Siding Spring will pass very close to the Red Planet, where orbiters from the U.S., Europe and India, hope to get close - but not too close — to the action.

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U.S. To Temporarily Halt Funding For Controversial Virus Research

Fri, 10/17/2014 - 3:44pm

The federal government will suspend funding while it reviews the potential risks and benefits of certain experiments with three viruses: SARS, MERS and influenza.

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NASA To Replace Iconic Countdown Clock After Maintenance Skyrockets

Fri, 10/17/2014 - 3:04pm

NASA says it plans to replace the digital countdown timer that's featured prominently in broadcasts and images of Kennedy Space Center launches ever since the second moon landing mission 45 years ago.

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Spike In ER, Hospital Use Short-Lived After Calif. Medicaid Expansion

Fri, 10/17/2014 - 1:02pm

Previous research found that going on Medicaid increased a poor person's use of costly emergency room visits. Now an analysis suggests that initial spike in ER visits quickly tapers off.

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Predictions Of 'Peak Oil' Production Prove Slippery

Fri, 10/17/2014 - 8:27am

Just a few years ago, authors were predicting production would soon hit a peak and then decline. But since then, supplies have surged. So are the forecasters now slapping themselves in the head?

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Startup's New Sprays Promise Longer-Lasting Fruit, Fewer Pesticides

Fri, 10/17/2014 - 6:46am

Apeel Sciences hopes its products, which use natural methods to fend off pests and oxidization, can markedly reduce the amount of produce wasted because of spoilage.

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Do We Need A New 'Environmental Impact' Label For Beef?

Thu, 10/16/2014 - 3:04pm

Labels like "organic" and "grass-fed" don't capture the beef industry's true environmental impact, researchers say. Why not have a label that assesses water use, land use and greenhouse gas emissions?

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A Balanced Diet For World Food Day: Bugs, Groundnuts And Grains

Thu, 10/16/2014 - 12:41pm

Termites and mung beans are among the ingredients that can bring better nutrition to the 800 million undernourished people in the lower income world.

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New GMOs Get A Regulatory Green Light, With A Hint Of Yellow

Wed, 10/15/2014 - 5:51pm

Farmers will be able to plant types of corn and soybeans that can tolerate doses of two weedkillers. It may be one of the most significant developments the world of weedkilling in more than a decade.

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Study Finds Human Stem Cells May Help To Treat Patients

Tue, 10/14/2014 - 5:41pm

For the first time, scientists are reporting that human embryonic stem cells may be helping treat patients — in one instance, the cells seem to been enabling some blind people to see better.

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Embryonic Stem Cells Restore Vision In Preliminary Human Test

Tue, 10/14/2014 - 5:33pm

Cells derived from embryos appear to have improved vision in more than half of the 18 patients who had become legally blind because of two progressive, currently incurable eye diseases.

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Long After Fracking Stops, The Noise Lives On

Tue, 10/14/2014 - 4:32pm

Most of the noise created by natural gas development is temporary. After drilling and fracking, the workers and equipment are gone. But compressor stations can stay noisy for years — even decades.

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Can Changing How You Sound Help You Find Your Voice?

Tue, 10/14/2014 - 1:05pm

Women's voices are often criticized, especially at work. We're called "shrill," told we "lack authority." Here's the story of two women who changed their voices in a quest to be heard.

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