Matthias Meyer, Max-Planck-Gesellschaft (IMAGE) Max-Planck-Gesellschaft Caption Matthias Meyer at work in the clean lab. Credit MPI for Evolutionary Anthropology Usage Restrictions None 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.