The Titanic is about as long as the Empire State building is tall.
174
Sharks, like other fish, have their reproductive organs in their chests.
248
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Water is actually naturally blue.
48
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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