There was once an undersea post office in the Bahamas.
241
The Titanic is about as long as the Empire State building is tall.
174
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Two dogs were among the Titanic survivors.
262
Sea otters hold hands while sleeping so they don’t drift away from each other.
104