Tobias Schmidt, ETH Zurich (IMAGE) ETH Zurich/Swiss Federal Institute of Technology Caption This is Tobias Schmidt, ETH Zurich. Credit ETH Zurich Usage Restrictions Must be credited as noted above. 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.