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 University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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Cows can sleep standing up, but they can only dream lying down.
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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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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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Your thumb is about the same size as your nose.
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