Dogs can make about 100 different facial expressions.
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Tickling was a form of torture used in ancient China on nobility because it left no mark and recovery was quick.
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Peter Cullen, the voice actor who voices Optimus Prime, also voices Eeyore from Winnie the Pooh.
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A 4-foot walrus penis bone sold at auction in 2007 for $8,000.
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High Heels were originally made for men in the 16th century.
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