The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
62% of us pop our zits.
137
97% of all paper money in the US contains traces of cocaine.
93
One human hair can support 3 ounces.
191
There are more than 10 million bricks in the Empire State Building!
75

