Mars had an oxygen-rich atmosphere around 4 billion years ago
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The largest breed of rabbit is the Flemish Giant.
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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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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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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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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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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