The Titanic is about as long as the Empire State building is tall.
174
There was once an undersea post office in the Bahamas.
241
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
The Caspian Sea is also classed as the world's largest lake.
52
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46