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Updated: 25 min 35 sec ago

Up Late? Looks Like Our Paleo Ancestors Didn't Sleep Much Either

Thu, 10/15/2015 - 12:19pm

It's tempting to think that our forebears got lots of blissful snooze time. But modern-day hunter-gatherers aren't getting more than 6.5 hours a night, researchers say. And that's without smartphones.

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States That Declined To Expand Medicaid Face Higher Costs

Thu, 10/15/2015 - 9:13am

The 22 states that didn't ease Medicaid eligibility under Obamacare cover a much smaller percentage of their low-income residents than other states do and have seen their costs rise more.

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Backyard Beekeeping Approved In Los Angeles

Wed, 10/14/2015 - 7:12pm

"To bee or not to bee, that is the question. But there is no question. We must have bees," City Councilman Paul Koretz said.

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How Long Can Ebola Linger In The Semen Of Male Survivors?

Wed, 10/14/2015 - 4:59pm

New research finds that the virus can be present far longer than expected — and that there could be a continuing risk of transmission through sexual contact.

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Dietary Supplements Send Thousands To ERs Yearly

Wed, 10/14/2015 - 4:02pm

More than 23,000 Americans end up in emergency rooms each year after taking dietary supplements, an analysis shows. Most cases are linked to weight-loss products or energy-boosting supplements.

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University Of Vermont's Ban On Bottled Water Backfires

Wed, 10/14/2015 - 3:16pm

The University of Vermont banned the sale of bottled water on its campus in 2013 to cut down on single-use bottles in the waste stream. But the number of plastic, single-use bottles being shipped to campus went up, and students ended up using more single-use bottles and drinking less healthy beverages out of them. Now the university is trying to figure out how to balance sustainability and nutrition in on-campus beverage sales.

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Mississippi River Basin Gets A Grade Of D+

Wed, 10/14/2015 - 3:01pm

A group that measures river basin health cited the poor condition of infrastructure such as locks and dams, among other things, on what it says is the world's fourth-largest watershed.

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New Hubble Images Show Jupiter's Great Red Spot Is Still Shrinking

Wed, 10/14/2015 - 12:31pm

But, using images from the Hubble Space Telescope, scientists have learned the great storm is putting up a fight because it is now shrinking at a slower rate.

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Study May Ease Drinking Water Worries About Fracking

Tue, 10/13/2015 - 4:14am

A new study of drinking water in areas where fracking is used to extract natural gas found that contamination is not common and it probably did not come from deep underground.

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Experiment Tests If Teacher-Student Relationship Helps Performance

Tue, 10/13/2015 - 4:14am

A study measured the performance of kindergartners who either had close or distant relationships with their teachers. It found that students reminded of close relationships solved problems faster.

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In The Classroom, Common Ground Can Transform GPAs

Mon, 10/12/2015 - 11:03pm

The Hidden Brain podcast explores the connections between students and teachers. It turns out finding things in common between pupils and instructors could be a tool for closing the achievement gap.

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The Bacterial Cloud We All Carry Could Be As Unique As A Fingerprint

Sun, 10/11/2015 - 7:14am

Scientists have discovered that everyone emits their own "microbiome cloud," a plume of the microbes we all carry around in and on our bodies.

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Abandoned, But No Wasteland: Chernobyl Offers Animals Room To Thrive

Sat, 10/10/2015 - 8:12am

Nearly 30 years after a catastrophic nuclear meltdown, something interesting is happening in Chernobyl: In an environment long abandoned — and deemed unsafe — by humans, wildlife is flourishing.

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Volkswagen Faces Uphill Battle In Repairing Tarnished Reputation

Fri, 10/09/2015 - 4:30pm

Volkswagen faces two enormous repair jobs: fixing its polluting diesel cars and its battered reputation. Both may be much harder to fix than anything other scandal-plagued car companies have faced.

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Why Is The Sky Blue? (On Pluto, That Is)

Fri, 10/09/2015 - 10:01am

Pluto's atmosphere has a blue haze, in a new photo from the New Horizons probe. But the particles causing that color are probably gray or red — and the planet's surface has red ice.

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Could A Mushroom Save The Honeybee?

Fri, 10/09/2015 - 9:46am

The bees that pollinate crops are on the brink of collapse. One big reason why: a virus-carrying mite. Now, researchers think a rare fungi could boost bees' immune system and attack the mite itself.

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A Discoverer Of The Buckyball Offers Tips On Winning A Nobel Prize

Thu, 10/08/2015 - 4:16pm

Harold Kroto shared a Nobel in 1996 for finding a new type of carbon molecule that ignited the field of nanotechnology. Find a passion where — with hard work — you can be the best, he advises.

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Scientists Try Radical Move To Save Bull Trout From A Warming Climate

Thu, 10/08/2015 - 3:49pm

Bull trout are dwindling in Montana as their home-waters warm, and invasive fish devour them. Scooping up threatened fish and moving them higher up the mountain could backfire. Is the risk worth it?

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NASA Rover Finds Evidence That Mars Once Had Lakes

Thu, 10/08/2015 - 3:17pm

A new study suggests the Red Planet had some blue on it about 3.5 billion years ago.

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The Year In Space: U.S., Russian Spacefarers On The International Station

Wed, 10/07/2015 - 4:52pm

NPR's Kelly McEvers speaks with NASA Commander Scott Kelly and Russian cosmonaut Mikhail Kornienko, who are spending the year on the International Space Station.

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