Hajime Ito, Tamae Seo and Koji Kubota (IMAGE) Hokkaido University Caption Hajime Ito (left), Tamae Seo (center) and Koji Kubota (right), authors of this study (Photo: Koji Kubota). Credit Koji Kubota 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.