Like fingerprints, everyone's tongue print is different.
250
Seaweed can grow up to 12 inches per day!
59
It is impossible to hum if your nose is plugged.
366
There are more than 10 million bricks in the Empire State Building!
75
Pollen never deteriorates. It is one of the few natural substances that lasts indefinitely.
58
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
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
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240