Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
If you dropped an aerodynamic object (such as a bullet) from the Empire State Building, you could kill someone.
132
Caffeine boosts memory.
405
Most of the dust underneath your bed is actually your own dead skin.
251
Like fingerprints, everyone's tongue print is different.
250
One human hair can support 3 ounces.
191
Each year, more than 50,000 people are injured by jewelry in the U.S.
29
New York's Central Park is nearly twice the size of the entire country of Monaco.
42