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DNA Blood Test Gives Women A New Option For Prenatal Screening

Mon, 01/26/2015 - 2:58am

A simple blood test can analyze bits of fetal DNA leaked in the mother's blood stream. It's less risky than invasive alternatives like amnio, but also doesn't tell as much about fetal health.

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Obama Proposes New Protections For Arctic National Wildlife Refuge

Sun, 01/25/2015 - 1:54pm

The president recommends more than 12 million acres of the region receive the highest level of protection available for public lands.

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Study Says Creativity Can Flow From Political Correctness

Sat, 01/24/2015 - 5:14pm

There is a common belief that requiring the use of "politically correct" language in the workplace stifles creativity. Researchers decided to see if that notion held up to scrutiny.

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'How Do You Tell Your Kids That You Got Alzheimer's?'

Sat, 01/24/2015 - 4:37pm

Writer Greg O'Brien was diagnosed with early-onset Alzheimer's disease five years ago. He describes what it was like to hear the news — and break it to his family.

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Will Environmentalists Fall For Faux Fish Made From Plants?

Fri, 01/23/2015 - 6:17pm

A handful of chefs and food companies are experimenting with fish-like alternatives to seafood. But the market is still a few steps behind plant-based products for meat and dairy.

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High Schools Seek A Safer Path Back From Concussion

Fri, 01/23/2015 - 4:15pm

Returning immediately to demanding physical or mental activities after a concussion can be bad for the brain, neuroscientists agree. But what about after symptoms resolve? How much rest is best?

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Leaky Blood Vessels In The Brain May Lead To Alzheimer's

Fri, 01/23/2015 - 3:06pm

As vessels become more porous, researchers say, they allow toxins in the bloodstream to reach, and damage, delicate brain cells and raise the risk for dementia.

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Brewers Gone Wild: Taming Unpredictable Yeast For Flavorful Beer

Fri, 01/23/2015 - 3:01pm

A handful U.S. craft brewers are reviving an age-old way of making beer that was practically unthinkable a decade ago. Welcome to the wacky world of Brett, a local yeast can impart funky flavors.

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Taking Antibiotics During Travel Fosters Drug-Resistant Germs

Fri, 01/23/2015 - 2:36pm

Many of us take antibiotics when we get tummy troubles in developing countries. Scientists say this opens the door for a dangerous visitor in the GI tract. These microbes can stick around for months.

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Why NFL Teams Should Reconsider Giving Coaches The Heave-Ho

Fri, 01/23/2015 - 4:03am

Research finds the systematic elimination of losing coaches by NFL teams generally leads to weaker performance among those teams in the following few years.

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A Blind Woman Gains New Freedom, Click By Click By Click

Fri, 01/23/2015 - 2:37am

Blind since birth, Julee-anne Bell wasn't comfortable heading out on her own. And when she learned an echolocation technique that gave her more independence, she discovered that it came with costs.

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Ecologist's Airborne Scanners See The Forest And The Trees — All Of Them

Thu, 01/22/2015 - 8:47pm

Gregory Asner has loaded a plane with lasers, spectrometers and computers to create models so detailed it they distinguish between and count plant species in even the densest biomes, like the Amazon.

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Goosebumps And Gas: New Data From Rosetta Probe Describes Comet

Thu, 01/22/2015 - 8:16pm

We're learning more about the comet that a European Space Agency paired up with its Rosetta probe last fall. For one thing, it has "goosebumps" on steep cliff faces. It's also highly porous.

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Investment Fund Pours Cash Into Cleaner, Greener Fish Farming

Thu, 01/22/2015 - 5:43pm

Aqua-Spark is the world's first investment fund for sustainable aquaculture. So far it has bet on an alternative fish feed that could take pressure off the oceans and a tilapia farm in Mozambique.

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Atomic Scientists' 'Doomsday Clock' Ticks Forward

Thu, 01/22/2015 - 3:23pm

The Bulletin of Atomic Scientists Science and Security Board is warning that "the probability of global catastrophe is very high" unless quick action is taken.

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Finding Crime Clues In What Insects Had For Dinner

Thu, 01/22/2015 - 3:18pm

Forensic scientists can find crime-solving evidence in the tiniest details, such as the insects that arrive at the scene to feed on the decomposing corpse.

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Maybe Early Humans Weren't The First To Get A Good Grip

Thu, 01/22/2015 - 2:45pm

The opposable thumb you use to hold a pencil was long thought to be a defining aspect of humans. But an analysis of finger bones suggests stone tool use by pre-humans — perhaps 3 million years ago.

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X-Rays Open Secrets Of Ancient Scrolls

Thu, 01/22/2015 - 2:38am

Scientists have used a particle accelerator to read ancient scrolls without unrolling them. The breakthrough could potentially be used to decipher hundreds of texts.

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Rare And 'Horrific': Frilled Shark Startles Fishermen In Australia

Wed, 01/21/2015 - 8:32pm

The frilled shark's roots are traced to 80 million years ago. Its prehistoric origins are obvious in its primitive body; nearly all of the rare animal's closest relatives are long extinct.

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Why Some GMO Foods Don't Have Genetically Modified DNA

Wed, 01/21/2015 - 5:13pm

It may surprise you to learn that some processed foods made from GMOs — say, canola oil, for example — don't actually contain any genetically modified DNA or proteins.

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