Wednesday, September 7, 2016

NASA study of twins Mark and Scott Kelly examines biological limits of sending humans to Mars

Dr. Francine Garrett-Bakelman arrived at NASA’s Johnson Space Center in the middle of the night, ready to get her hands on Scott Kelly’s blood.

She watched on a laptop as the astronaut stepped off a plane March 2 about 1:30 a.m., back in Houston after his record 340 days aboard the International...



via L.A. Times - Science http://ift.tt/2cjtyqN

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