Tsunamis ( tidal waves ) travel as fast as jet planes.
97
Wearing yellow makes you look bigger on camera; green, smaller.
222
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
Babies start dreaming even before they're born.
134
If you flip a coin ten times, the odds against its coming up with the same side showing each time are 1,023 to 1.
39
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
The face of a penny can hold about thirty drops of water.
85

