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Palaeontology

Gritting their teeth

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

References

  1. Lucas, P. W. et al. J. R. Soc. Interface 10, 20120923 (2013).

    Article  Google Scholar 

  2. Walker, A., Hoeck, H. & Perez, L. Science 201, 908–910 (1978).

    Article  ADS  CAS  Google Scholar 

  3. Teaford, M. F. Scanning Microsc. 2, 1149–1166 (1988).

    CAS  PubMed  Google Scholar 

  4. Scott, R. S. et al. Nature 436, 693–695 (2005).

    Article  ADS  CAS  Google Scholar 

  5. Ungar, P. S. et al. Am. J. Phys. Anthropol. 97, 93–99 (1995).

    Article  CAS  Google Scholar 

  6. Teaford, M. F. & Lytle, J. D. Am. J. Phys. Anthropol. 100, 143–147 (1996).

    Article  CAS  Google Scholar 

  7. Ungar, P. S. & Sponheimer, M. Science 334, 190–193 (2011).

    Article  ADS  CAS  Google Scholar 

  8. Ungar, P. S., Grine, F. E. & Teaford, M. F. PLoS ONE 3, e2044 (2008).

    Article  ADS  Google Scholar 

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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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