OMG science
fromwww.npr.org
6 hours agoNeanderthals may have drilled out a cavity 59,000 years ago
A Neanderthal molar from Chagyrskaya Cave shows a depression consistent with an ancient stone-tool root-canal-like procedure.
They were all adult males between 40 and 60 years old when they died, ranging in height from 1.62 to 1.82 meters (5'4-6). They were in good overall health with excellent teeth, but osteoarthritis in the bones, particularly in the legs, attests to them having consistently experienced strenuous physical activity in their lives.
In this paper we investigate whether infant and childhood feeding practices influenced the imbalanced adult sex ratio reported in medieval Europe from historical and osteological evidence. First, we examine hypotheses for the observed imbalanced sex ratios in Europe and the evidence presented to support these hypotheses. We then use stable isotope analysis (δ13C and δ15N) of incremental dentine in 64 first molars from adults at three medieval sites (Aulla, Badia Pozzeveri, and Montescudaio) in north-western Tuscany (11th-15th c. CE).