Michael Worobey (IMAGE) University of Arizona Caption Michael Worobey, one of three co-corresponding authors on the paper, heads the Department of Ecology and Evolutionary Biology at the University of Arizona. Credit Beatriz Verdugo/University of Arizona Usage Restrictions This visual may only be used in the context of reporting on the research referenced in this news release. Credit must be provided as indicated. 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.