The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
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
Sharks, like other fish, have their reproductive organs in their chests.
248
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The Caspian Sea is also classed as the world's largest lake.
52