humerus (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Surface incisions on the humerus of a European straight-tusked elephant that caused by stone tools used to remove the meat from the bone Credit photo/©: Sabine Gaudzinski-Windheuser and Lutz Kindler Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.