An example of a human precision grip — grasping a first metacarpal from the thumb of a specimen of Australopithecus africanus that's thought to be 2 to 3 million years old. T.L. Kivell & M. Skinner hide caption

toggle caption T.L. Kivell & M. Skinner

Maybe Early Humans Weren't The First To Get A Good Grip

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Our popular image of Homo erectus as the proto-guy who whose human-like traits all emerged at once needs overhauling, some anthropologists say. Sylvain Entressangle/Science Source hide caption

toggle caption Sylvain Entressangle/Science Source

Dance Of Human Evolution Was Herky-Jerky, Fossils Suggest

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