The creators of Adidas and Puma were brothers and they were both Nazis.
The phrase "rule of thumb" is derived from an old English law, which stated that you couldn't beat your wife with anything wider than your thumb.
Tickling serves no other purpose except bonding and creating a closer relationship between two people.
It takes about 4 seconds for a silence to become awkward.
Being in a green setting or even glancing at the color green can make a person more creative.
On average, 12 newborn babies are given to the wrong parents everyday.
Ringxiety or "fauxcellarm" is described by experts as a "psycho-acoustic phenomenon" when you hear your cell phone ringing when it's not.
IKEA stores are designed like mazes in order to prevent customers from leaving.
According to research by Harvard University, children who were hugged and cuddled more grew up to be happier adults.
Johnny Depp is afraid of clowns.