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Updated: 23 min 4 sec ago

WATCH: Physicist Gets 'Smoking Gun' Proof Of His Theory

Tue, 03/18/2014 - 10:30am

Andrei Linde, one of the founding fathers of cosmological inflation, answers the door to the news that his theory appears to have been confirmed.

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Ripples In Space Could Point To The Universe's Beginnings

Tue, 03/18/2014 - 4:00am

Physicists say they've discovered a faint signal from just moments after the universe began. If confirmed, it could revolutionize our understanding of the cosmos. But not everyone is convinced.

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Space Thief Or Hero? One Man's Quest To Reawaken An Old Friend

Tue, 03/18/2014 - 4:00am

In the 1980s, NASA engineer Robert Farquhar came up with a sly plan to divert the ISEE-3 satellite from its original path to visit a comet instead. Now Farquhar has another big plan for his "baby."

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Dispute And Suspicion Swirl About Iranian Water Reactor

Mon, 03/17/2014 - 3:00pm

At issue in Iran nuclear talks is a heavy water reactor the country is building. Iran says it wants the reactor for medical research, but the West is worried that such reactors can produce plutonium.

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Hoping To Clear The Air In Paris, Officials Ration The Rue

Mon, 03/17/2014 - 3:00pm

Paris is suffering from the worst smog it's seen in decades. Associated Press Paris Bureau Chief Angela Charltan explains the ways the city's dealing with the smog, including restrictions on drivers.

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Out Of Antarctica, A 'Grand Slam' That Leads Back To The Big Bang

Mon, 03/17/2014 - 3:00pm

Physicists using data from an Antarctica telescope say they've observed evidence of primordial gravity waves — in other words, echoes of the Big Bang. If real, this may be a big advance for physics.

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Scientists Search For Toxins In Cigarette Smoke Residue

Mon, 03/17/2014 - 2:32pm

Chemicals in cigarette smoke can settle on clothes, furniture and walls. Researchers call this thirdhand smoke and say laboratory experiments suggest it could be hazardous.

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Computers That Know What You Need, Before You Ask

Mon, 03/17/2014 - 2:26pm

Programs — some already on your smartphone — are preparing useful information based on your past behavior, ushering in the era of predictive, or anticipatory, computing.

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Even If You Don't Have Symptoms, You May Still Have The Flu

Mon, 03/17/2014 - 1:35pm

Roughly one in five unvaccinated people had the flu between 2006 and 2011, but only a quarter of them had symptoms, a study found. That could affect how the virus spreads.

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Scientists Announce A Big-Bang Breakthrough

Mon, 03/17/2014 - 11:42am

Researchers say they have found indirect evidence that gravitational waves rippled through the fabric of space time in the first sliver of a second after the Big Bang.

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Photo Identification: The 'Best And Worst Way' To ID People

Sun, 03/16/2014 - 3:00pm

How reliably can we find the fakes? A new study says the more forgeries people come across, the better they are at spotting them. But there are multiple traps that can cloud screeners' judgment.

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Parenting In The Age Of Apps: Is That iPad Help Or Harm?

Sun, 03/16/2014 - 3:00pm

With tablet technology still relatively new, pediatricians are trying to understand how interactive media affects children.

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Physicists, Generals And CEOs Agree: Ditch The PowerPoint

Sun, 03/16/2014 - 1:14pm

A group of physicists banned PowerPoint from forums, and they're aren't the only people who say we should cut back on slide-based presentations: Others include Amazon, LinkedIn and NASA.

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Not-So-Objective Scientists Cling To Accepted Wisdom

Sun, 03/16/2014 - 7:00am

Overturning scientific dogma is tricky. Reporter Joe Palca tells NPR's Rachel Martin that one astronomer learned that lesson when he calculated that the universe was younger than colleagues believed.

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Why'd The Scientist Cross The Road? To Figure Out Why You're Laughing

Sat, 03/15/2014 - 7:00am

Scott Weems' book HA! explores the science of when we laugh and why. He describes the part of your brain that's active when you laugh, and the controversy over whether ducks are funnier than chickens.

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You're Old. You're a Rock. You Can See

Sat, 03/15/2014 - 6:11am

Two rocks sit on a hill. They're rocks, so there's not a whole lot to do. But then there's a noise, some motion, and suddenly they are witnesses to an extraordinary change. Come see what they see.

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Rethinking The Five-Second Rule: With Carpet, There's No Rush

Sat, 03/15/2014 - 4:01am

Looks like the old adage about when it's safe to eat dropped foods may actually be effective for wet, sticky stuff like candies. For carpet-dusted snacks, you can take your sweet time, a study finds.

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Lawmakers Seek To Lay Roadblock To Powerful Painkiller

Fri, 03/14/2014 - 3:00pm

Sen. Joe Manchin is introducing a bill to force the Food and Drug Administration to ban potent new painkiller Zohydro, backed by a bipartisan effort to get the FDA to remove its approval of the drug.

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See More, Eat More: The Geography Of Fast Food

Fri, 03/14/2014 - 2:09pm

The more fast food you encounter where you live and work, the likelier you are to be obese, research shows. That suggests policies limiting fast-food outlets in neighborhoods may be onto something.

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Daring Cameraman In Ukraine Captures Secret 'Moscow' Summit

Fri, 03/14/2014 - 7:04am

They met on a bridge high over the Dnieper River near Kiev, in Ukraine. They didn't want the authorities to know and — until the video came out — nobody noticed.

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