Early Humans from East Africa Were Equipped to Dine on Hard Foods but Preferred a Softer Fare

Careful analysis of microscopic abrasions on the teeth of early human relatives show that although it was equipped with thick enamel, large jaws and powerful chewing muscles, this ancient species may not have eaten the nuts, seeds or roots their anatomy suggests. Instead, the tooth wear suggests a diet that consisted mainly of softer foods, as reported in next week's Public Library of Science One.

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