calcaneus (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Deep incisions in the surface of the calcaneus (heel bone) of a male elephant that was around 50 years old at time of death. The incision in the center has a length of some 4 centimeters and is clearly recognizable. Removal of the foot bones provided access to the rich deposits of fat in the food pads of the elephant. Credit photo/©: Wil Roebroeks, Leiden University 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.