Paul Dennis, University of Queensland (IMAGE) University of Queensland Caption Dr. Paul Dennis, Leader, Microbial Ecology Group at The University of Queensland's School of Agriculture and Food Sciences is pictured. Credit Dr. Paul Dennis Usage Restrictions Only in association with this story 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.