The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
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
The Caspian Sea is also classed as the world's largest lake.
52
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Water is actually naturally blue.
48
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707