Must-See Video: Horizontal Running For Lunar Astronauts – Videos from CBS26

For every month in space, astronauts can lose about 1% bone density, and without gravity, muscles can atrophy. So with NASA’s sights set on a future settlement on the moon, a group of scientists thinks they’ve come up with a better way for astronauts to stay fit, and it looks like something out of a circus. – Videos from CBS26 | CBS26.com