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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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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A cow produces around 200,000 glasses of milk in her lifetime.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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The largest breed of rabbit is the Flemish Giant.
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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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