You burn up to 150 calories in an hour banging your head against a wall.
Orcas (killer whales), when traveling in groups, breathe in unison.
A gold fish can remember something for about 3 seconds.
More than ten people a year are killed by vending machines.
On playing cards, the only king without a mustache is the king of hearts.
In Quitman, Georgia, it is illegal for a chicken to cross the road.
