“Humans are very efficient biters,†concluded Stephen Wroe, a biomechanist and paleontologist at the University of New South Wales. Wroe and his colleagues used computer models of actual skulls to compare modern human jaw muscles with those of chimps, gorillas, orangutans, and the human ancestors Australopithecus africanus and Paranthropus boisei, aka “the nutcracker man.†“For […]
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