Jorgen Isgaard, University of Gothenburg (IMAGE) University of Gothenburg Caption Jorgen Isgaard, Professor, Sahlgrenska Academy, University of Gothenburg, Sweden, and University of Newcastle, Australia. Credit Photo by Cecilia Hedstrom Usage Restrictions None 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.