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
The North Atlantic gets 2.5 centimetres (1in) wider every year.
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The earth is approx. 6,588,000,000,000,000,000 tons.
175
According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
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
There are approximately three chickens for every human on Earth.
13