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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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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The largest breed of rabbit is the Flemish Giant.
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