history of laughing

This book traces laughter to its evolutionary roots. Emphasis is placed on human/hyena interaction during the Precambrian era. Voice prints of human laughter are compared to spastic reflex motion of invertebrate sea animals. Snorting is linked to changes in the human diet which include pork. Snickering is of course is linked to Snickers bars. Hysterical laughter is explained by hysterectomies.

artificial face

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4-11/22