It's impossible to kill yourself by holding your breath.
703
There are 293 ways to make change for a dollar.
148
85% of all Valentine's Day cards are purchased by women!
38
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Extremely high pressured water can easily cut through a steel beam.
51
If you dropped an aerodynamic object (such as a bullet) from the Empire State Building, you could kill someone.
132
There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266