Scientists performed surgery on the hoods of cobras to determine how ribs turned into hood bones and rib muscles turned into hooding muscles. A number of the snakes awoke from anesthesia during the surgery, which the scientists found "disconcerting." | Harper's Magazine

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Scientists performed surgery on the hoods of cobras to determine how ribs turned into hood bones and rib muscles turned into hooding muscles. A number of the snakes awoke from anesthesia during the surgery, which the scientists found “disconcerting.”

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Scientists performed surgery on the hoods of cobras to determine how ribs turned into hood bones and rib muscles turned into hooding muscles. A number of the snakes awoke from anesthesia during the surgery, which the scientists found “disconcerting.”

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