A look at some of the gutsier and goofier proposed space shuttle missions that might have happened.
But just imagine if they had.The U.S. space shuttle fleet is set for retirement following the launch of Atlantis, scheduled for mid-July. In all, the fleet will have flown 135 missions, the first in 1981, but there were many more on the drawing board. With scrubbed missions that included daring rescues, in-orbit satellite snatches, and dangerous explosives, you can see why some of these didn't make the cut. But just imagine if they had.
Learn the common causes behind your body’s little quirks
Whether uncomfortable, embarrassing or just plain weird, there are some pretty funky things that our bodies do. Curious about the causes of such reactions as hiccups, goose bumps and eye twitches....
Read on to discover the common reasons for peculiar bodily functions.Yawns If your body is low on oxygen, your mouth opens wide and tries to suck more in. Yawning is a way to regulate the amount of carbon dioxide and oxygen in your blood. Unfortunately, yawns are nearly impossible to stifle.