The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
26
The United States has paved enough roads to circle the Earth over 150 times.
72
Ants make up 1/10 of the total world animal tissue. The total biomass of all the ants on Earth is about equal to the total biomass of all the people.
85
The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
86
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
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