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Updated: 43 min 23 sec ago

Ready For Prime Time: A Number With 20 Million-Plus Digits

Wed, 01/20/2016 - 3:03pm

The largest-ever prime number has been discovered at the University of Central Missouri. It breaks the previous record by almost 5 million digits.

A 'Scorcher': 2015 Shatters Record As Warmest Year, NASA And NOAA Say

Wed, 01/20/2016 - 10:10am

The Northern Hemisphere saw the biggest rise in land temperatures, finishing 2.59 degrees Fahrenheit hotter than the 20th century average.

Was Dr. Asperger A Nazi? The Question Still Haunts Autism

Wed, 01/20/2016 - 10:03am

Hans Asperger identified autism as a spectrum of disorders in the 1930s, but his work was ignored for decades because he went on to work under the Nazis. Research and treatment suffered as a result.

Scientists Find Hints Of A Giant, Hidden Planet In Our Solar System

Wed, 01/20/2016 - 9:26am

Something very big, out beyond Neptune, is warping the orbits of small, icy objects circling our sun. Astronomers haven't seen it yet, but say the culprit could be a planet with 10 times Earth's mass.

Batteries With A Less Fiery Future

Wed, 01/20/2016 - 3:30am

Overheated lithium-ion batteries have been a problem for airplanes, cars and even "hoverboards." A chemical engineer at Stanford University thinks she has a solution to the problem.

'In A Different Key' Traces History And Politics Of Autism

Tue, 01/19/2016 - 7:05pm

Authors John Donvan and Caren Zucker say parents have been "unsung heroes" in spurring more research on autism, and in getting many more kids out of institutions and into schools.

Aztec Gold: Watch The History And Science Of Popcorn

Tue, 01/19/2016 - 4:11pm

Popcorn has been around at least 4,000 years. The Aztecs even had a word for the sound of kernels popping — totopoca. On National Popcorn Day, ponder the story of this beloved snack.

Indian Capital Suspends Odd-Even Car Experiment To Curb Pollution

Tue, 01/19/2016 - 3:34pm

The government of India's capital New Delhi tried an odd-even scheme for cars to curb growing air pollution. But now it says it is placing the scheme on hold for a number of months.

Social Science Research Examines The Generosity Of The Wealthy

Tue, 01/19/2016 - 4:18am

Self-made billionaires are bigger philanthropists than those who inherit their wealth, research says. That might explain why the self-made wealthy plan to donate much of their wealth to charity.

Why It's Not Too Late To Make a New Year's Resolution

Mon, 01/18/2016 - 11:00pm

Today is the perfect day to (re)start your resolution. Here's how.

Lifesaving Flights Can Come With Life-Changing Bills

Mon, 01/18/2016 - 2:21pm

People in big, sparsely populated states like Montana rely on air ambulances to get to medical specialists they need. But the lifesaving flights can be hugely expensive and not covered by insurance.

Can't Focus? It Might Be Undiagnosed Adult ADHD

Mon, 01/18/2016 - 3:25am

Attention deficit hyperactivity disorder is most commonly diagnosed in children. But older adults may find that what they worried was early dementia is actually ADHD.

What's Being Done To Address The Country's Backlog Of Untested Rape Kits

Sun, 01/17/2016 - 6:31am

Tens of thousands of rape kits sit, untested, in evidence rooms. While a new push to clear the backlog has brought urgency the issue, what's taken so long — and why does it exist in the first place?

More Bad News For Coal Mine-Reliant States

Sat, 01/16/2016 - 7:11am

On Friday, the Obama administration announced a halt to new coal leases on federal land. In Wyoming, most of the federally-owned coal mines and revenue from coal leases pays for school construction.

Flint Combats Lead-Contaminated Water Effects On Child Development

Sat, 01/16/2016 - 7:11am

Pediatrician Mona Hanna-Attisha discovered alarming levels of lead in the drinking water of Flint, Mich. NPR's Scott Simon asks her about an initiative she's leading to help the children affected.

Most New Hen Houses Are Now Cage-Free

Fri, 01/15/2016 - 4:27pm

The majority of American egg producers, when they order new chicken houses, are choosing cage-free systems. That's a sea change driven by consumer demand for cage-free eggs.

Gas Company Understated Benzene Exposure From California Leak

Fri, 01/15/2016 - 1:10pm

SoCalGas wrote about two air samples with high levels of the carcinogen — but not about 12 others, the AP reports. And the LA Times writes that efforts to cap the well appear to have destabilized it.

U.S. Announces Moratorium On New Coal Leases On Federal Lands

Fri, 01/15/2016 - 8:40am

The change won't affect existing leases — which generated nearly $1.3 billion for the federal government's coal program last year.

Environmentalists Say 'Threatened' Status For Bats Not Enough

Thu, 01/14/2016 - 3:46pm

Northern long-eared bats were listed as a "threatened" species this week after being ravaged by a disease that has killed millions of bats. Some environmentalists say the protection is not enough.

Adding 'Beauty And Joy' To Obama's Push For Computer Science Teaching

Thu, 01/14/2016 - 3:00pm

Fewer than 10 percent of America's high schools offer computer science classes. Educators say just adding courses isn't enough — it will take teachers who inspire.

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