Matter: Scott Kelly Spent a Year in Orbit. His Body Is Not Quite the Same. NASA scientists compared the astronaut to his earthbound twin, Mark. The results hint at what humans will have to endure on long journeys through space. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Trilobites: Inside Wounded Flies, Fat Cells Race to the RescueThe Moon may be COVERED in water, scientists claim following groundbreaking discoveryCalifornia Scraps Safety Driver Rules for Self-Driving CarsSeeds Only a Plant Breeder Could Love, Until NowScienceTake: For Fiddler Crabs, ‘Size Does Matter’Robot Claw Shows Intricacies of Crab Courtship
