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Electric Cars Drive Demand For Cheaper, More Powerful Batteries

Unlike the technologies in laptops, smartphones and electric cars, the batteries inside them have been slow to evolve. In Silicon Valley, more than 40 companies are working on finding a battery breakthrough. And they're facing international competition.

Old Dogs, New Data: Canines May Have Been Domesticated In Europe

A study of DNA extracted from wolf and dog fossils suggests that ancient wolf populations in Europe are the direct ancestors of most modern-day domestic dogs. The study suggests wolves became dogs between 18,800 and 32,100 years ago, before the start of agriculture.
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This Week On Metro Connection: House And Home

We'll look at the places that shelter us and the symbolism behind our humble abodes as we bring you a show about "House and Home."


As Climate Warms American West, Iconic Trout In Jeopardy

In the northern Rockies of Montana, wildlife is a part of daily conversation. Fishing alone generates $250 million a year, and the pursuit of trout brings in most of that money. But record droughts and declining snowpack mean streams are becoming less habitable for this revered fish.

Print Your Own Revolutionary War Boat, In 3-D

The Smithsonian Institution has millions of fossils, sculptures and other historic artifacts in its vast collections. Twenty of them are now available for 3-D printing — and viewing from every conceivable angle — online.

Could Hunger Make Us More Charitable?

Hunger can make many people "hangry," or irritable. But new research suggests that we may have another, innate response to hunger: a desire to help others in need.

Why Can We Taste Bitter Flavors? Turns Out, It's Still A Mystery

The first bite of a bitter fruit or nut can be shocking, even revolting. That's led scientists to think that bitter tastes evolved to help us avoid poisonous plants. But a new a genetic study in Africa challenges that notion.
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Carl Sagan Collection Opened With Help From 'Family Guy' Creator

Thanks in part to a donation by entertainer Seth MacFarlane, the Library of Congress has opened a new collection of archival works from famous astronomer and science popularizer Carl Sagan.


Why Typhoon Haiyan Caused So Much Damage

Scientists say Typhoon Haiyan is one of the strongest ever recorded, though limited measurements may prevent them from declaring it as the record holder. Still, the storm was devastating: "We had a triple whammy of surge, very high winds and strong rainfall," says one climate scientist.

'Ferrari Of Space' Crashes And Burns In Earth's Atmosphere

More than a ton of advanced electronics crashed into Earth's atmosphere Sunday night, when the European GOCE orbiter ended its four-year mission. When it re-entered the atmosphere over the South Atlantic Ocean, most of the 2,425-pound craft disintegrated; about 25 percent did not.