NASA gears up to study twin astronauts

wochit news
August 12, 2013 AT 2:54 PM
NASA has a rare opportunity ahead. Astronaut Scott Kelly is scheduled to spend an entire year on the International Space Station starting in March 2015. Meanwhile, back on Earth, his twin brother Mark Kelly will go about his usual life in Arizona. The research plans came about at the suggestion of the twins. John Charles, chief of NASA's Human Research Program's said "This is a once-in-a-space-program opportunity"