Keiji Sasaki and Hajime Ishihara (IMAGE) Hokkaido University Caption Keiji Sasaki (left), Hokkaido University, and Hajime Ishihara (right), Osaka Prefecture University and Osaka University (Photo: Keiji Sakai, Hajime Ishihara). Credit Hokkaido University Usage Restrictions This image is copyrighted but may be used to report this press release if credited as instructed. 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.