The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
Dartboards are made out of horsehairs.
129
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
Americans are responsible for generating roughly 20% percent of the garbage in the world.
29
There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266
Only humans shed emotional tears.
331