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A new technology may make it easier for gun owners to improve their marksmanship. Full Story »

Wireless brain-machine interfaces could one day scan minds in real-time for speech data to help people with brain injuries talk, new research suggests. Full Story »

Ancient Greeks living in Sicily built their sacred temples to face the rising sun, new research suggests. Full Story »

At least 1,250 species of catfish are venomous, a new study finds. Full Story »

Whatever it says about priorities during a recession, the facts are there: Employment is down. Housing prices are down. But PCs shipments are up. Way up. Full Story »

Long, long ago, some of the first dinosaurs walked the Earth. But scientists have not known with any confidence where those initial dino prints were made. Much more recently, hikers stumbled across a few bits of bone at Ghost Ranch in New Mexico, leading to the discovery of a game-changing dinosaur that reveals where it all began. Full Story »

It may not sound like "tree-hugging," but cutting down a real tree for Christmas is actually greener than going with the artificial kind, one scientist says. Full Story »

The pure white snow atop the Andes Mountains may not be so pure after all. Scientists have found traces of toxic pollutants called PCBs in snow samples taken from Aconcagua Mountain, the highest peak in the Americas. Full Story »

It's the latest high-tech buzzword, and one that you're likely to hear more and more of. Let's say it up front: Cloud computing has nothing to do with lying on a hillside admiring the fluffy white shapes in the sky. But it potentially touches just about everything else. Full Story »

Gravestones may hold secrets of how the Earth's atmosphere has changed over the centuries, and scientists are now asking for the public's help to read these stones. Full Story »