Nabeel Kajihara (IMAGE) Hokkaido University Caption Nabeel Kajihara, the first author of the current paper (Photo: Nabeel Kajihara). Credit Nabeel Kajihara 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.