Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
There are more than 50,000 earthquakes throughout the world every year!
47
The Caspian Sea is also classed as the world's largest lake.
52
In 1850, only 8% of the people in California were women.
0
It's still possible to see the division between East and West Germany due to different light bulbs.
5
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
There's a lake under Antarctica that is 25 million years old called Lake Vostok.
109