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.
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.
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.
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.
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.
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.
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.
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