Jerker Widengren and Akira Kitamura (IMAGE) Hokkaido University Caption Jerker Widengren (left), KTH Royal Institute of Technology, and Akira Kitamura (right) Hokkaido University, who led the study (Photo: Akira Kitamura). Credit Akira Kitamura Usage Restrictions This image is copyrighted, but may be used to report on this press release, if credited as instructed. 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.