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What Outer Space Does to Your Body

The last time we featured astronaut Leland Melvin was when he included his dogs in his official NASA portrait session. He’s been an NFL player, engineer, and astronaut, and now he is an associate administrator for education at NASA. Here he explains the effects of space on the human body.

(YouTube link)

Whoa. It turns out that gravity is what’s holding us together. Well, if we had to live in lower gravity for enough generations, we’d adjust and evolve to function properly. Until then, you have to be healthy, and really dedicated to space exploration to deal with it. Scott Kelly is spending a year on the ISS to study how it affects him, along with cosmonaut Mikhail Korniyenko. That’s dedication. -via The Kid Should See This

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