effects on body Hard Science What NASA learned by sending a 77-year-old astronaut into space When you have the opportunity to take gravity away from the human body, the results are pretty fasninating. ▸ with Scott Parazynski
Hard Science What NASA learned by sending a 77-year-old astronaut into space When you have the opportunity to take gravity away from the human body, the results are pretty fasninating. ▸ with Scott Parazynski
