The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
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
Two dogs were among the Titanic survivors.
262
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22