The unbearable lightness of space travel.

Item request has been placed! ×
Item request cannot be made. ×
loading   Processing Request
Read More Add to Saved list
  • Additional Information
    • Abstract:
      Reports that prolonged weightlessness in near-zero gravity could endanger human health, as well as NASA's plans for long missions. The ill effects include muscle-wasting and heart shrinkage. Details how researchers are studying the problems--and hope to solve them. INSETS: Loping on Mars, by R.G.;Tales chameleon skin can tell, by R.G.;Walking on a wall, by R.G..