It's impossible to sink in the Dead Sea without equipment!
72
Sharks, like other fish, have their reproductive organs in their chests.
248
Water is actually naturally blue.
48
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
The Caspian Sea is also classed as the world's largest lake.
52
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17