Jellyfish as a species are actually older than dinosaurs and sharks.
383
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
The Caspian Sea is also classed as the world's largest lake.
52
Two dogs were among the Titanic survivors.
262