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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Your thumb is about the same size as your nose.
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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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The largest breed of rabbit is the Flemish Giant.
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