The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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The largest breed of rabbit is the Flemish Giant.
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A cow produces around 200,000 glasses of milk in her lifetime.
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The strangers in your dreams are actually people that you've seen in real life.
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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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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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