Sharks, like other fish, have their reproductive organs in their chests.
248
There was once an undersea post office in the Bahamas.
241
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
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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
Jellyfish as a species are actually older than dinosaurs and sharks.
383