Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
It's impossible to kill yourself by holding your breath.
22
No piece of square dry paper can be folded more than 7 times in half!
26
A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
72
The revenue that is generated from gambling is more than the revenue that comes from movies, cruise ships, recorded music, theme parks, and spectator sports combined.
15
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12