Tsunamis ( tidal waves ) travel as fast as jet planes.
97
It is impossible to hum if your nose is plugged.
366
Play-Doh was first manufactured as a wallpaper cleaner.
122
It's impossible to kill yourself by holding your breath.
703
In 1976, an underachieving Princeton junior undergraduate wrote a term paper detailing how to make a nuclear bomb. He got an "A", but never got his paper back because it was seized by the FBI.
16
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Babies who wear disposable diapers are five times more likely to develop diaper rash than those that wear cotton diapers.
39
Coins usually survive in circulation for about 30 years.
66