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.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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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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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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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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