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Palaeontology

Gritting their teeth

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A comparison of the wearing effect of plant-derived silica and desert dust on tooth enamel suggests that extreme wear on teeth might not be caused by food. The findings may change some thoughts about the diets of human ancestors.

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Figure 1: Signs of wear.

MUSEUM AND HOUSE OF CULTURE, DAR ES SALAAM

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Authors and Affiliations

  1. Department of Anthropology, Bernard Wood is in the Center for the Advanced Study of Hominid Paleobiology, George Washington University, Washington DC 20052, USA.,

    Bernard Wood

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  1. Bernard Wood
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Correspondence to Bernard Wood.

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Wood, B. Gritting their teeth. Nature 493, 486–487 (2013). https://doi.org/10.1038/493486a

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