The only married couple to fly together in space were Jan Davis and Mark Lee, who flew aboard the Endeavor space shuttle from Sept 12-20, 1992.

When Nylons first went on sale in the United States in 1940, four million pairs were sold in only a few days.

Hydrogen gas is the least dense substance in the world, at 0.08988g/cc.

A M A Z I N G   F A C T S