Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13
Each year, more than 50,000 people are injured by jewelry in the U.S.
29
Los Angeles's full name is "El Pueblo de Nuestra Senora la Reina de los Angeles de Porciuncula"!
72
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
The WD in WD-40 stands for Water Displacer.
30
In an average hour, there are over 61,000 Americans airborne over the United States.
24
The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
10

