Madeleine Beekman, University of Sydney (IMAGE) University of Sydney Caption Professor Madeleine Beekman from the School of Life and Environmental Sciences at the University of Sydney. Credit University of Sydney Usage Restrictions USe for this story only. 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.