NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
Water is actually naturally blue.
48
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Sharks, like other fish, have their reproductive organs in their chests.
248
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The Titanic is about as long as the Empire State building is tall.
174