It's impossible to sink in the Dead Sea without equipment!
72
The Titanic is about as long as the Empire State building is tall.
174
Jellyfish as a species are actually older than dinosaurs and sharks.
383
There was once an undersea post office in the Bahamas.
241
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Sharks, like other fish, have their reproductive organs in their chests.
248
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707