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Tiny marks on the teeth of an ancient human ancestor known as the "Nutcracker Man" may upset current evolutionary understanding of early hominid diet.Using high-powered microscopes, researchers looked at rough geometric shapes on the teeth of several Nutcracker Man specimens and determined that their structure alone was not enough to predict diet.Peter Ungar, professor of anthropology at the University of Arkansas in Fayetteville, contends the finding shows ... More at http://www.nsf.gov/news/news_summ.jsp?cntn_id=111457&govDel=USNSF_51 This is an NSF News item.
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