Are some people hardwired to get the blues?
Study: ‘Depression Gene’ Doesn’t Predict the Blues
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How Much Sleep Do You Really Need?
Sleep is one of the richest topics in science today: why we need it, why it can be hard to get, and how that affects everything from our athletic performance to our income. Daniel Kripke, co-director of research at the Scripps Clinic Sleep Center in La Jolla, Calif., has looked at the most important question of all. In 2002, he compared death rates among more than 1 million American adults who, as part of a study on cancer prevention, reported their average nightly amount of sleep.
Space shuttle Discovery launch cancelled
The planned Wednesday night launch of space shuttle Discovery has been cancelled due to an apparent leak in the giant external fuel tank, the Kennedy Space Center said. The decision is the latest in a series of delays for the NASA shuttle mission. In total, the mission has been delayed for more than a month