Mark and Scott Kelly are identical twin brothers who are both NASA astronauts. In 2015, Scott Kelly was launched on a record 340 day mission to the International Space Station.

NASA’s Twin Study

You have questions and A Moment of Science has answers. Short science videos and audio science podcasts provide the scientific story behind some of life\'s most perplexing mysteries. There\'s no need to be blinded by science. Explore it, have fun with it, but most of all learn from it. A Moment of Science is a production of WFIU Public Media from Indiana University in Bloomington, Indiana.

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NASA’s Twin Study

NASA’s Twin Study