Teppei J. Yasunari, Daiju Narita, Toshihiko Takemura, Shigeto Wakabayashi, Akira Takeshima (IMAGE) Hokkaido University Caption (From left) Teppei J. Yasunari, Daiju Narita, Toshihiko Takemura, Shigeto Wakabayashi, and Akira Takeshima of the research team. (Photos: Teppei J. Yasunari, Daiju Narita, Toshihiko Takemura, Shigeto Wakabayashi, Akira Takeshima) Credit Teppei J. Yasunari, Daiju Narita, Toshihiko Takemura, Shigeto Wakabayashi, Akira Takeshima Usage Restrictions This image is copyrighted but may be used to report on this press release s long as 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.