NASA astronauts are trained to cope with the isolation of a cramped space shuttle, the anxiety of takeoff and the stress of tinkering with equipment while hurtling through space. But the National Aeronautics and Space Administration also is looking at problems that can grow out of personality quirks, such as the way a colleague organizes personal gear in space. Wearing backpacks instead of space suits, a group of astronauts recently spent nine days hiking the Wind River Mountains as part of a 2-year-old program that trains space explorers how to stay on each other’s good sides.
