The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
If you get water flowing fast enough, it can cut metal.
354
Water is actually naturally blue.
48
Dartboards are made out of horsehairs.
129
A million dollars' worth of $100 bills weighs only 22 pounds!
32
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22