Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The Titanic is about as long as the Empire State building is tall.
174
The Caspian Sea is also classed as the world's largest lake.
52
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
There was once an undersea post office in the Bahamas.
241
Two dogs were among the Titanic survivors.
262
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707