Sharks, like other fish, have their reproductive organs in their chests.
248
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
There was once an undersea post office in the Bahamas.
241
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Water is actually naturally blue.
48
It's impossible to sink in the Dead Sea without equipment!
72
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46