Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Water is actually naturally blue.
48
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
It's impossible to sink in the Dead Sea without equipment!
72
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707
Two dogs were among the Titanic survivors.
262
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119