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
Bamboo plants can grow up to 36 inches in a day.
52
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10
The longest Monopoly game in history lasted 70 straight days.
124
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
80% of millionaires drive used cars.
68