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
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Sharks, like other fish, have their reproductive organs in their chests.
248
It's impossible to sink in the Dead Sea without equipment!
72
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The Caspian Sea is also classed as the world's largest lake.
52
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181