There's a children's book titled "Where Willy Went" detailing the adventures of a sperm.
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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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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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You can't tickle yourself.
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The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
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