Paul Revere by Cyrus Dallin, North End, Boston



Sunday, March 6, 2016

Sunday Science Blog

Welcome home Commander Kelly.

"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."

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