University of Kansas Professor David Frayer and co-authors have discovered multiple toothpick grooves on teeth of a Neanderthal individual who lived 130,000 years ago in what is now Croatia. Neanderthals used toothpicks likely made of bones or stems of grass. Image credit: Abel Grau, CSIC Communication. Prof. Frayer’s team analyzed four isolated but associated mandibular teeth from the left side of the Neanderthal’s mouth. The teeth (left P4 –...
