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.
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More than 6,000 people with pillow-related injuries check into U.S. emergency rooms every year!
51
Dartboards are made out of horsehairs.
129
The search engine Google got its name from the word 'googol', which refers to the number one with a hundred zeros after it.
56
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
Oak trees can live 200 or more years.
61
American car horns beep in the tone of F.
66
There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266