Associate Professor Daniel Tan (IMAGE) University of Sydney Caption Associate Professor Daniel Tan is an agronomist at the Sydney Institute of Agriculture and the School of Life and Environmental Sciences at the University of Sydney. Photographed here in front of blue agave in north Queensland. Credit University of Sydney Usage Restrictions 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.