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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The largest breed of rabbit is the Flemish Giant.
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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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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
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