Artificial gravity could spare space travelers the bone and muscle problems associated with weightlessness. But would spinning space stations cause motion sickness? At today's press conference with the crew of the upcoming Polaris Dawn commercial space mission, Anna Menon said, "Scientists think that when you go to space, you might be less impacted by that disorientation that comes from spinning required for artificial gravity. So, we will test that hypothesis." (Photo credit: Polaris Program)
