Jellyfish as a species are actually older than dinosaurs and sharks.
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Water is actually naturally blue.
48
Two dogs were among the Titanic survivors.
262
It's impossible to sink in the Dead Sea without equipment!
72
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The Caspian Sea is also classed as the world's largest lake.
52
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707