Senior and lead authors (IMAGE) University of Sydney Caption Research lead Associate Professor Catherine Grueber (centre) from the University of Sydney with joint first authors Dr Robyn Shaw (right) from the University of Canberra and Katherine Farquharson from the University of Sydney. Credit The University of Sydney Usage Restrictions For this story only License Original 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.