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Scientists at the University of Chicago have undertaken a genetic analysis of Oliver, a chimpanzee who in the 1970s gained notoriety as a possible "missing link." They hope to settle once and for all whether or not he's pure chimp.
The 30-ish Oliver, 1.2 meters high and 50 kilograms, arrived from Western Africa about 25 years ago. Impressed into the animal show circuit, he caused viewers to marvel at his upright posture, his small head-which, shaved, had an eerie humanoid quality-and his unusually rank odor. It was said that he could cry,...