The earth is approx. 6,588,000,000,000,000,000 tons.
175
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
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
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11