Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The Caspian Sea is also classed as the world's largest lake.
52
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The Titanic is about as long as the Empire State building is tall.
174
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