The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
Your fingernails grow faster in summer.
744
20252 is Smokey the Bear's own zip code.
35
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
A Swiss man replaced his car's broken heater with a fully functional wood burning stove.
15
Babies start dreaming even before they're born.
134
It's impossible to sink in the Dead Sea without equipment!
72