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Elon Musk on the Dragon launch, traveling to Mars, and--his other hobby--electric cars.
The first privately built spacecraft could dock at the International Space Station this year.
This week, President Obama rolled out details of how changing budgets and changing priorities will affect NASA. We'll talk about the future of the agency, including plans for a larger role for private business in space flight.
Last weekend, private space transportation company SpaceX successfully launched a payload into orbit. We'll talk with Elon Musk, the company's founder, about the launch of the Falcon 1 and what's next for the company.
Doctor Jordan Metzl says specific cardio and strength training regimens can trea...
Exercise scientists Tamara Hew-Butler and Greg Whyte talk about how the body cha...
Can regular mental exercise help slow down the progress of dementia?
Can exercise help keep aging brains healthy?
New York Times science writer William Broad’s book investigates popular health c...
Could popping a pill turn a couch potato into a long-distance runner?