Long space journeys could wreck your eyeballs... and brain

Fresh off the news that microgravity screws us up on a cellular level comes word that it also damages our eyes and brain. Researchers from the University of Texas, Wyle Integrated Science and Engineering, and NASA's Department of Space Medicine performed MRIs on 27 astronauts who had spent an average of 108 days in… »3/16/12 10:40am3/16/12 10:40am