The Earth sees about 760 thunderstorms every hour, scientists have calculated.
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The earth is approx. 6,588,000,000,000,000,000 tons.
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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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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.
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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.
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If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
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The United States has paved enough roads to circle the Earth over 150 times.
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