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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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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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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Your body is creating and killing about 2.4 million red blood cells per second.
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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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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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