The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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There is a persistent storm in Venezuela that produces lightning 140 to 160 nights a year, 10 hours per day and up to 280 times per hour and has been going since at least the 16th century.
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The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
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Your body is creating and killing about 2.4 million red blood cells per second.
17
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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