At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
You can start a fire with ice.
367
If you dropped an aerodynamic object (such as a bullet) from the Empire State Building, you could kill someone.
132
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
It's impossible to kill yourself by holding your breath.
703
The only king without a moustache in a deck of cards is the king of hearts.
63
Speed dating was invented by a Rabbi in 1999.
45