When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
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Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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
Coins usually survive in circulation for about 30 years.
66
Oak trees can live 200 or more years.
61
An ounce of platinum can be stretched 10,000 feet.
40
Mushrooms are more closely related to humans than they are to plants.
47
There are 635,013,559,599 possible hands in a game of bridge.
39