Diamonds mined in Brazil are harder than those found in Africa.
40
Play-Doh was first manufactured as a wallpaper cleaner.
122
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
476
The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
Q-Tip Cotton Swabs were originally called Baby Gays.
55
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
Stilts were invented by French shepherds who needed a way to get around in wet marshes.
45