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
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The light hitting the earth right now is 30 thousand years old.
163
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
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
There are approximately three chickens for every human on Earth.
13