Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
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
The Titanic is about as long as the Empire State building is tall.
174
Water is actually naturally blue.
48
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
Sharks, like other fish, have their reproductive organs in their chests.
248
In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
707