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
Water is actually naturally blue.
48
It's impossible to sink in the Dead Sea without equipment!
72
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
There was once an undersea post office in the Bahamas.
241
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707