Image 4 (IMAGE) Max Planck Institute of Geoanthropology Caption Lead author Madeleine Bleasdale preparing bone samples for the study at MPI-SHH Credit S. Brown Usage Restrictions Please provide credit information with reuse 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.