An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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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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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.
118
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
A cow produces around 200,000 glasses of milk in her lifetime.
373
Mars had an oxygen-rich atmosphere around 4 billion years ago
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