This is a rerun of my interview with astronaut Captain Scott Kelly. He talks about his year on the International Space Station, including how it pushed his body the limit, why the hardest physical test was re-adjusting to life on earth, and how his experience could get NASA one step closer to a manned mission to Mars. He reveals how he combatted boredom in space, what he missed most about earth, and how he got along with his Russian crew-mates amid strained US-Russia relations. Plus Scott tells m
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