Why Am I Taller? - Dr. Dave Williams, Elizabeth Howell

Is the human body built for Mars? NASA's studies on the International Space Station show we need to fix a few things before sending people to the Red Planet. Astronauts go into space with good vision and come back needing eyeglasses. Cognition and DNA expression could be affected for years. And then there's the discomfort of living in a tight space with crewmates, depression, and isolation. Space doctors are on the case. You'll meet the first twin to spend a year in space, the woman who racked up... Zobrazit více