There was once an undersea post office in the Bahamas.
241
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Sharks, like other fish, have their reproductive organs in their chests.
248
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Water is actually naturally blue.
48
The Titanic is about as long as the Empire State building is tall.
174