Sea otters hold hands while sleeping so they don’t drift away from each other.
104
It's impossible to sink in the Dead Sea without equipment!
72
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
There was once an undersea post office in the Bahamas.
241
Two dogs were among the Titanic survivors.
262
Sharks, like other fish, have their reproductive organs in their chests.
248
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46