(IMAGE) Paul Scherrer Institute Caption The research team at PSI: Gebhard Schertler, head of the Biology and Chemistry division, with his colleagues Diane Barret and Jacopo Marino (L to R) Credit Paul Scherrer Institute/Markus Fischer Usage Restrictions PSI provides image and/or video material free of charge for media coverage of the content of the above text. Use of this material for other purposes is not permitted. This also includes the transfer of the image and video material into databases as well as sale by third parties. 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.