Dr Ornella Bertrand in the lab (IMAGE) University of Edinburgh Caption Dr Ornella Bertrand looking at the fossil skull of a mammal that lived during the Paleocene, at the School of Geosciences, University of Edinburgh, UK. Credit Sarah Shelley Usage Restrictions None License Original 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.