Skull (IMAGE) University of Montreal Caption To empirically test their method's identification potential, researchers selected six unidentified male skeletons that had been exhumed over the years at four historical cemeteries in Quebec. Credit Isabelle Ribot, Université de Montréal Usage Restrictions This photo can only be used to illustrate a news item about this study. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.