@CNN: 7% of astronaut Scott Kelly’s genes did not return to normal after his return to Earth two years ago, according to preliminary results from NASA’s Twins Study https://t.co/aG3DcfsEIE https://t.co/rzgtJNc3zk
7% of astronaut Scott Kelly's genes did not return to normal after his return to Earth two years ago, according to preliminary results from NASA's Twins Study https://t.co/aG3DcfsEIE pic.twitter.com/rzgtJNc3zk
— CNN (@CNN) March 17, 2018