The mile is Latin for 1,000. The number of paces it took the average Roman!
36
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
It's impossible to sink in the Dead Sea without equipment!
72
An olive tree can live up to 1,500 years!
58
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
