@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/rwApa9HrP9 https://t.co/1Ud3LL3qPa
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/rwApa9HrP9 pic.twitter.com/1Ud3LL3qPa
— CNN (@CNN) March 14, 2018