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
There are 53 Lego bricks manufactured for each person in the world.
83
Kilts are not native to Scotland. They originated in France.
57
There are more than 10 million bricks in the Empire State Building!
75
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Passengers on the Beijing subway can pay with plastic bottles.
29
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153