The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Water is actually naturally blue.
48
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
There was once an undersea post office in the Bahamas.
241