Science: Impressionable Peter

Dr. Leopold Thoma. a rugged and persevering psychologist of the University of Vienna, has for some 30 years been exploring the therapeutic uses of hypnosis on stammering, neuroses, childbirth pain. He holds the record for mass hypnosis, having once entranced 180 people at a crack. Reflecting that the nature of hypnosis is not well understood. Dr. Thoma some years ago decided to see what he could learn by applying hypnotic technique to highly intelligent animals. He chose the chimpanzee.

Scientists have induced a sort of frozen trance in chickens, rabbits, partridges and...

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