On average, the life span of an American dollar bill is eighteen months.
33
You burn more calories sleeping than you do watching television.
348
There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266
In an average hour, there are over 61,000 Americans airborne over the United States.
24
Extremely high pressured water can easily cut through a steel beam.
51
It is impossible to hum if your nose is plugged.
366
There are more than 10 million bricks in the Empire State Building!
75