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Astronauts separate fact from fiction in Alfonso Cuarón's 3-D space epic, Gravity.
Two astronauts answer your questions and discuss the many curiosities of living in space.
We’ll check in with crewmembers on board the International Space Station, just days before several are scheduled to return to Earth after months in orbit.
Two NASA astronauts aboard the International Space Station talk about life and the view from 220 miles above Earth.
What happens when you spin eggs in space?
Sure, astronaut ice cream is yummy -- but how do you sip your morning coffee in zero gravity?
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...
Think caffeine dehydrates you? Or that you can't get too much water on a hot day? Douglas Casa, of the Korey Stringer Institute, sets the record straight.