The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
The small pocket in the larger pocket of your jeans was designed for pocket watches.
11
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
There are more telephones than people in Washington, D.C.
121
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
Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
14