NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
It's impossible to sink in the Dead Sea without equipment!
72
Two dogs were among the Titanic survivors.
262
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
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