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
The Caspian Sea is also classed as the world's largest lake.
52
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Water is actually naturally blue.
48
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105