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Updated: 2 hours 6 min ago

Turkey Looks For Energy In An Abundant Resource: Pistachio Shells

November 20, 2014 - 8:33am

Converting the shells into biogas could provide most of the heat for a planned city of 200,000, engineers say. There's precedent in Australia, where macadamia nut shells are generating power.

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WATCH: How Carbon Dioxide Travels Around The Globe

November 19, 2014 - 10:59am

A NASA computer model visualizes in detail where carbon dioxide is released, how it moves across the globe and how it's affected by the seasons.

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Bloodmobiles To Collect Plasma From West Africa's Ebola Survivors

November 19, 2014 - 5:12am

Researchers gear up tests in West Africa to see whether blood from Ebola survivors can help people who are sick with the disease. This is part of a broader effort to test therapies in West Africa.

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Invasive Surgery May Motivate Patients To Adopt Healthier Behaviors

November 18, 2014 - 5:06am

One challenge in evaluating the effectiveness of different medical procedures, is that patients behave differently after different procedures. Is this true for patients getting heart surgery?

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Are Modafinil's Brain-Boosting Benefits Hype Or Science?

November 17, 2014 - 4:24pm

Modafinil has been approved for treatment of narcolepsy, but it's often used to improve mental performance. The question is, does it work? A new study says probably not.

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Are Modafinil's Brain-Boosting Benefits Hype Or Science?

November 17, 2014 - 4:24pm

Modafinil has been approved for treatment of narcolepsy, but it's often used to improve mental performance. The question is, does it work? A new study says probably not.

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Toxic Tau Of Alzheimer's May Offer A Path To Treatment

November 17, 2014 - 4:18pm

Faulty forms of the brain protein tau trigger tangles inside and outside brain cells of Alzheimer's patients. Scientists say figuring out how to stop bad tau's spread from cell to cell might be key.

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Comet Lander's Big Bounce Caught On Camera

November 17, 2014 - 2:46pm

An orbiting spacecraft caught the Philae lander bounding on the surface of Comet 67P/Churyumov–Gerasimenko. The lander sent home some scientific data before its batteries ran out.

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To End Food Waste, Change Needs To Begin At Home

November 17, 2014 - 3:47am

The U.S. throws out 35 million tons of food each year. While many restaurants, supermarkets and processors are taking responsibility, many consumers aren't. An EPA pilot program aims to change that.

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Patch Of Pacific Water Is Warmest In Decades

November 16, 2014 - 8:07am

A stretch of unusually warm water is lingering off of the West Coast. Scientists are calling it "the blob." Fishermen are calling it the best the thing to happen to their industry in 20 years.

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Big Data Companies Agree: Farmers Should Own Their Information

November 16, 2014 - 6:28am

Farmers depend on "Big Data" these days, but some worry the companies collecting information about their operations might misuse it. New privacy guidelines are supposed to protect farmers' interests.

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Yes, The Weather Is Polar. No, It's Not The Vortex

November 16, 2014 - 5:42am

Meteorologists are annoyed by the hype around the phrase "polar vortex." This week's frigid snap, they say, was just a regular old cold front.

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How Bacteria In The Gut Help Fight Off Viruses

November 14, 2014 - 5:29pm

Rotavirus kills more than a half-million kids around the world each year. Now scientists have evidence that the secret to stopping it is hiding in the trillions of bacteria of our microbiome.

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WATCH: Orphaned Sea Otter Pup Has Snack, Playtime

November 14, 2014 - 4:40pm

Found in late September along the California coast, "Pup 681" spent a month at the Monterey Aquarium before being transferred to her new home at the Shedd in Chicago.

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Controversy Over Scientist's Shirt Mars Celebration Of Comet Landing

November 14, 2014 - 4:23pm

A scientist who contributed to this week's triumphant comet landing mission has upset people by wearing a loud shirt that some say is sexist. On Twitter, people have dubbed the dispute "shirtstorm."

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