9 years ago
NASA's Scott Kelly Grew 2 Inches: What a Year in Space Does to the Body
After living for nearly a year aboard the International Space Station, NASA astronaut Scott Kelly is two inches taller than his identical twin brother Mark. One of the main goals of his groundbreaking mission is to study how well humans can endure — mind, body and spirit — on a long-duration spaceflight. Kelly, who has spent more time in space than any other American astronaut, reports that overall he "feels pretty good" and now begins what may be a year-long...
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