Scientists Share Results From NASA's Twins Study 5:38am April 12, 2019 Space Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2019 NPR. To see more, visit https://www.npr.org. 300x250 Ad More Morning Edition National The man who helped roll back abortion rights now wants to 'crush liberal dominance' Health & Safety National Arts Tips from a top chef to beat holiday cooking stress 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate