Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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A comet's tail always points away from the sun.
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Sheep can survive for up to two weeks buried in snow drifts.
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Switching letters is called spoonerism. For example, saying "jag of Flapan", instead of "flag of Japan".
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