Hard plant foods may have made up a larger part of early human ancestors’ diet than currently presumed, according to a new experimental study of modern tooth enamel from Washington University in St. Louis.
Five skull replicas of human ancestors from left to right: A. africanus, A. afarensis, H. erectus,
H. neanderthalensis and H. sapiens sapiens [Credit: Shutterstock]Scientists often look at microscopic damage to teeth to infer what…
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