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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The Basenji dog is the only dog that is not able to bark.
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Chanel Tapper, a student from California, USA, has the world's longest tongue, measuring 9.75 cm (3.8 inches), from tip to top lip!
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
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