When Thorsten Siess was in graduate school, he came up with the idea for a heart device that's now been used in hundreds of thousands of patients around the world.
Childhood myopia, or nearsightedness, is growing rapidly in the U.S. and around the world. Researchers say kids who spend two hours outside every day, are less likely to develop the condition.
Nature's healing power is an immensely personal focus for Foster. He made his film after being burned out from long, grinding hours at work. After the release of the film, he suffered from insomnia.
At Bear Divide, just outside Los Angeles, you can see a rare spectacle of nature. This is one of the only places in the western United States where you can see bird migration during daylight hours.
Richard Slayman died almost two months after the historic procedure, the Boston hospital where he had the transplant said Saturday. At 62, he had the transplant to treat his end-stage kidney disease.
People as far south as Florida were treated to a celestial light show Friday night as a geomagnetic storm set off an aurora, and caused some disruption to satellites.
An aurora could be visible as far south as Northern California. Experts say the storm could disrupt some communications and navigation systems like GPS.