There are more telephones than people in Washington, D.C.
121
Play-Doh was first manufactured as a wallpaper cleaner.
122
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
Sunflowers can be used to clean up radioactive waste.
17
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
Like fingerprints, everyone's tongue print is different.
250
Researchers say that lining the toilet seat with paper is pretty much pointless
8
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140