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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If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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