Science

3:00pm

Tue March 18, 2014
The Salt

Thank Your Gut Bacteria For Making Chocolate Healthful

Originally published on Wed March 19, 2014 2:50 pm

Bacteria in your gut can break down the antioxidants in chocolate into smaller, anti-inflammatory compounds.
Meg Vogel NPR

Boy, it's a good time to be a dark-chocolate lover.

We've noted before the growing evidence that a daily dose of the bitter bean may help reduce blood pressure. There also seems to be a link between a regular chocolate habit and lower body weight.

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1:13pm

Tue March 18, 2014
13.7: Cosmos And Culture

Do We Know What Life Is?

Polar bears are a great example of natural selection and evolution. But how did this ball get rolling?
Remko de Waal AFP/Getty Images

11:30am

Tue March 18, 2014
The Two-Way

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

Originally published on Tue March 18, 2014 5:58 pm

Andrei Linde receives the "smoking gun" proof of his inflation theory from fellow physicist Chao-Lin Kuo.
Stanford University

When the news of a lifetime finally arrived at their door, Stanford physicist Andrei Linde and his wife wondered aloud if one of them was expecting a delivery.

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4:44am

Tue March 18, 2014
Space

Ripples In Space Could Point To The Universe's Beginnings

Originally published on Tue March 18, 2014 5:24 am

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.

4:44am

Tue March 18, 2014
Space

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

Originally published on Tue March 18, 2014 7:56 pm

Early days: NASA's International Sun-Earth Explorer C (also known as ISEE-3 and ICE) was undergoing testing and evaluation inside the Goddard Space Flight Center's dynamic test chamber when this photo was snapped in 1976.
NASA

More than 30 years ago, Robert Farquhar stole a spacecraft.

Now he's trying to give it back.

The green satellite, covered with solar panels, is hurtling back toward the general vicinity of Earth, after nearly three decades of traveling in a large, looping orbit around the sun.

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4:30pm

Mon March 17, 2014
Middle East

Dispute And Suspicion Swirl About Iranian Water Reactor

Originally published on Mon March 17, 2014 6:33 pm

Transcript

AUDIE CORNISH, HOST:

From NPR News, this is ALL THINGS CONSIDERED. I'm Audie Cornish.

ROBERT SIEGEL, HOST:

And I'm Robert Siegel.

Talks resume this week in Vienna over Iran's nuclear program. Western powers want to prevent Iran from making nuclear weapons. Iran wants relief from economic sanctions. Well, today, we look at one of the issues: the construction of Iran's heavy-water reactor near the city of Arak. Critics doubt Iran's claims that the reactor is just for medical research, not weapons.

Here's NPR's Peter Kenyon.

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4:30pm

Mon March 17, 2014
News

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

Originally published on Tue March 18, 2014 1:18 pm

Transcript

ROBERT SIEGEL, HOST:

This is ALL THINGS CONSIDERED from NPR News. I'm Robert Siegel.

AUDIE CORNISH, HOST:

And I'm Audie Cornish.

And if you're trapped in traffic right now, or even if you're not, don't take your eyes off the road. Just let your mind drift slightly and think of Paris. That's where a spike in air pollution has driven the government to ban half of all cars from the road. Several cities in France are giving it a try, and Paris has the most severe restrictions.

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4:30pm

Mon March 17, 2014
News

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

Originally published on Mon March 17, 2014 6:33 pm

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.

3:37pm

Mon March 17, 2014
Shots - Health News

Scientists Search For Toxins In Cigarette Smoke Residue

Originally published on Wed March 19, 2014 3:34 pm

Long after the smoke is gone, carcinogenic chemicals remain.
Victoria Alexandrova iStockphoto

Everybody knows smoking is hazardous. Being around someone who smokes isn't such a good idea either. "There's no safe amount of secondhand smoke," the surgeon general has said.

Now thirdhand smoke is getting scrutiny. What's thirdhand smoke? It's the residue from smoke that settles onto clothes, hair, furniture or anything else in a smoker's vicinity.

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3:26pm

Mon March 17, 2014
All Tech Considered

Computers That Know What You Need, Before You Ask

Originally published on Thu March 20, 2014 12:14 pm

Expect Labs' MindMeld app uses predictive computing to push information to us, instead of us having to ask.
Courtesy of Expect Labs

We're already giving voice instructions to virtual personal assistants, like Apple's Siri. But artificial intelligence is getting even smarter. The next wave of behavior-changing computing is a technology called anticipatory computing — systems that learn to predict what you need, even before you ask.

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