Oase 2 Cranium in Norma Occipitalis (IMAGE) University of Bristol Caption Oase 2 cranium in norma occipitalis Credit Rougier et al Usage Restrictions Single use by registered reporters only 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.