Business Insider -
1 Feb 2017 21:08

Bill Ingalls/NASA In the name of science, former NASA astronaut Scott Kelly recently shoved himself into the top of a rocket, accelerated to 17,500 mph, and fell around Earth for 340 days — nearly an entire year. The lack of gravity, radiation exposure, Kelly's diet, and other facts of life in orbit affected his body in significant ways — including, as NASA is learning now, even his genetic blueprint. The Twin Study, which is still in progress, uses Scott Kelly's identical twin brother and f...
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