Sharks, like other fish, have their reproductive organs in their chests.
248
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
The Titanic is about as long as the Empire State building is tall.
174