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NASA's Scott Kelly Talks Year-Long Space Experiment
This version of Mmvo42843717826 - Breaking News | NBC News Clone was adapted by NBC News Clone to help readers digest key facts more efficiently.
Watch Scott Kelly's full interview with TODAY's Natalie Morales, discussing his upcoming year-long stay aboard the International Space Station, as part of a comparative study on the effects of space on the body, and his promise to be more active on social media.
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