Mechanical difficulties after Friday's launch pushed back the capture of the unmanned capsule by a day. The Dragon will stay in place until the end of March, after dropping off 1,200 pounds of supplies, and return with more than twice that amount.
The study estimates that 100 million sharks are killed globally every year. Shark populations are especially vulnerable because they do not reproduce quickly or early on in life. New protections are up for consideration at an international conference Sunday.
It's a brave new energy world, with two major opponents: natural gas and coal. As prices fluctuate and renewables, such as wind and solar, fight for a share of energy generation, there's heated competition for access to your wall socket.
Attention deficit hyperactivity disorder, major depression, bipolar disorder and schizophrenia may be linked by common genetic risk factors, according to a new study published in The Lancet. Audie Cornish speaks with study author Jordan Smoller of Harvard Medical School.
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