Sharks, like other fish, have their reproductive organs in their chests.
248
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
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
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
The Caspian Sea is also classed as the world's largest lake.
52
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707
It's impossible to sink in the Dead Sea without equipment!
72