The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
Caffeine boosts memory.
405
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
The majority of suicides occur on a Monday.
393
Extremely high pressured water can easily cut through a steel beam.
51
The only king without a moustache in a deck of cards is the king of hearts.
63


