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Megan, a fourteen-year-old chimpanzee, uses a simple tool to reach for an apple. “Surely chimpanzees form concepts about concrete things. . . . But what about more abstract concepts? Concepts like ghosts, gravity, and God?” See Daniel John Povinelli on "Behind the Ape’s Appearance: Escaping Anthropocentrism in the Study of Other
Minds." Photograph courtesy of the Cognitive Evolution Group, University of Louisiana at Lafayette.