December 12, 2012 Conventional wisdom holds that complex life evolved in the sea, then crawled up onto land. But a provocative new study argues that the procession might be drawn in the wrong direction. The earliest large life forms may have appeared on land long before the oceans filled with creatures.
December 12, 2012 In many parts of the world, there aren't enough doctors around to do post-mortems. Answers to a few questions can help a computer deduce what killed someone when an autopsy can't be done. The results can help guide decisions about public health.
December 12, 2012 Alzheimer's is the disease that creeps in and slowly erases what you know until, eventually, there's no more to erase. How this happens is still a mystery, but this short animation by Po Chou Chi tries to make poetic sense of what goes on.
December 12, 2012 The wolf known as 832F was taking a rare jaunt outside the boundaries of Yellowstone National Park when she was killed last week. Though her death is a blow to those who followed her story, some say hunting is a necessary part of the future of wolves in the West.
December 11, 2012 Red snapper, wild salmon, and other fish sold in some outlets were other, cheaper species, according to DNA tests done by an ocean conservation group. The report is just the latest in a string of investigations revealing that seafood mislabeling is commonplace.
December 11, 2012 There you are, hanging with the other pigeons. It's a sunny day. Tranquil. You are taking a bird bath along a river's edge, when suddenly, leaping out of the water onto the land, straight at you — is a fish! A pigeon-eating catfish. (We've got pictures.)
December 10, 2012 The barbs on porcupine quills help them pierce the skin. If the bumpy needles work so well for the big rodents, couldn't they they also help doctors and nurses giving injections? Designers of medical devices are looking to try the porcupine approach.
December 10, 2012 About 10 years ago, some nasty bacteria became impervious to some common classes of antibiotics. Scientists have sequenced genome samples of this superbug from all over the world. The results helped them figured out how it emerged in the U.S. and then moved to Europe, Australia and Asia.
December 10, 2012 Once bedbugs settle in, the toll on your mental health and pocketbook can run high. So what about driving the bloodsucking insects off with high-pitched sounds? Scientists say gadgets that claim to do that are a waste of money.
December 10, 2012 Dashboard video cameras are common in Russia. In case you get bumped into, or bump someone else, insurance companies want to see what happened. So we have a video record of what it's like to drive there. You don't want to see this compilation video. (Oh yes you do.)