If left alone, 70% of birthmarks gradually fade away.
193
In an average hour, there are over 61,000 Americans airborne over the United States.
24
The chances of making two holes-in-one in a round of golf are one in 67 million.
67
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
Like fingerprints, everyone's tongue print is different.
250
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18