If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
It's impossible to sink in the Dead Sea without equipment!
72
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Sharks, like other fish, have their reproductive organs in their chests.
248
The Caspian Sea is also classed as the world's largest lake.
52