World Topics

Feb 23, 2013

Seals' sleeping secrets could help people with insomnia

Scientists have identified brain chemicals that allow seals to sleep with half of their brain at a time, according to a study published in the Journal of Neuroscience. And they say that the discovery of how what they called a “unique biological phenomenon” works ...

Russians find meteorite fragments

Feb 19, 2013

Russians find meteorite fragments

Scientists said Monday they had discovered fragments of the meteor that spectacularly plunged over Russia’s Ural Mountains on Friday, creating a shockwave that injured 1,200 people and damaged thousands of homes. The giant piece of space rock streaked over the city of Chelyabinsk in ...

Feb 19, 2013

U.S. scientists search for alien life — on Earth

Some U.S. scientists are helping search for evidence of alien life not by looking into outer space, but by studying some rocks right here on Earth. Some of the rocks are up to 3.5 billion years old. The scientists are looking for crucial information ...

Russian meteor damage claims soar

Feb 18, 2013

Russian meteor damage claims soar

The big blast from outer space was still reverberating in the Russian city of Chelyabinsk on Saturday as glaziers went to work replacing windows, divers vainly sought meteorite fragments at the bottom of a lake, doctors tended the wounded, residents found new ways to ...

Cosmic coincidence shows threat of space rocks

Feb 17, 2013

Cosmic coincidence shows threat of space rocks

A space rock even bigger than the meteor that exploded like an atom bomb over Russia could drop out of the sky unannounced at any time and wreak havoc on a city. And contrary to Hollywood, there isn’t much the world’s scientists and generals ...