The North Atlantic gets 2.5 centimetres (1in) wider every year.
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If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
There was once an undersea post office in the Bahamas.
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The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
476
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
The Caspian Sea is also classed as the world's largest lake.
52