Portrait Marcus Ossiander (IMAGE) Graz University of Technology Caption Marcus Ossiander, first author of the study and currently a post-doctoral researcher at Harvard University. © Ossiander Credit © Ossiander Usage Restrictions No restrictions. License CC0 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.