More than 10% of the world's salt is used to de-ice American roads.
54
The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
479
Passengers on the Beijing subway can pay with plastic bottles.
29
There are 86,400 seconds in a day.
110
On average, the life span of an American dollar bill is eighteen months.
33
The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
It's impossible to sink in the Dead Sea without equipment!
72