Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
Babies start dreaming even before they're born.
134
Women blink nearly twice as much as men.
152
The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12
Passengers on the Beijing subway can pay with plastic bottles.
29
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Extremely high pressured water can easily cut through a steel beam.
51

