Yoshi N. Sasaki, Hokkaido University (IMAGE) Hokkaido University Caption Associate Professor Yoshi N. Sasaki, Faculty of Science, Hokkaido University Credit Hokkaido University Usage Restrictions This image is copyrighted but may be used to covert this feature story if the copyright holder is credited 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.