There are more telephones than people in Washington, D.C.
121
More Americans have died in car accidents than have died in all the wars ever fought by the United States.
55
The cruise liner, 'Queen Elizabeth 2', moves only six inches for each gallon of diesel that it burns.
26
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
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
On average, the life span of an American dollar bill is eighteen months.
33
Real diamonds do not show up on x-ray.
36