Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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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.
13
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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The largest breed of rabbit is the Flemish Giant.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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