Sharks, like other fish, have their reproductive organs in their chests.
248
The Titanic is about as long as the Empire State building is tall.
174
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
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Water is actually naturally blue.
48