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Higher Social Skills Are Uniquely Human 2 (of 3)

Caption: Chimpanzees participated in a comprehensive battery of tasks comparing their physical and social cognitive abilities to those of 2-year-old human children. This image relates to an article that appeared in the Sept. 7, 2007, issue of the journal Science, published by AAAS. The study, by Dr. Esther Hermann and colleagues at Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, was titled "Humans Have Evolved Specialized Skills of Social Cognition: The Cultural Intelligence Hypothesis."

Credit: Photo courtesy of MPI EVAN/JGI-USA

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