Dr Robyn Pickering (IMAGE) University of Cape Town Caption Dr Robyn Pickering, from the Human Evolution Research Institute and Department of Geological Sciences at the University of Cape Town, South Africa. Credit Jayne Wilkins 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.