Study shows headdown bedrest precisely mimics human physiology in spaceflight

With President Bush talking up trips to the moon and Mars, and a new satellite circling the red planet, ever wonder what it feels like in space? The expensive way to find out is to hitch a ride on a parabolic aircraft trip, where you may get up to 90 "weightless" sessions of about 20 seconds each.

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<p><a href="http://www.physorg.com/news12148.html">Study shows headdown bedrest precisely mimics human physiology in spaceflight</a></p> <p>With President Bush talking up trips to the moon and Mars, and a new satellite circling the red planet, ever wonder what it feels like in space? The expensive way to find out is to hitch a ride on a parabolic aircraft trip, where you may get up to 90 "weightless" sessions of about 20 seconds each.</p>