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 cow produces around 200,000 glasses of milk in her lifetime.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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