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Your molar roots are stuck in the past

  • Autores: Colin Barras
  • Localización: New scientist, ISSN 0262-4079, Nº. 2901, 2013, pág. 8
  • Idioma: inglés
  • Texto completo no disponible (Saber más ...)
  • Resumen
    • Christopher Dean and Tim Cole at University College London studied the microscopic structure of adult molars to reconstruct the pace of their development, much like tree rings can be used to build a picture of tree growth. They found that the roots of chimpanzee molars go through a growth spurt as the teeth erupt through the gum--probably to provide more stability for biting and chewing. The same thing happened in early hominins, but not in modern humans.


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