Figure 1 (image) Tokyo Institute of Technology Share Print E-Mail Caption Donato Giovannelli collecting microbial samples in a hot spring in Costa Rica. Credit Tom Owens Usage Restrictions The image may only be used with appropriate caption or credit. Share Print E-Mail 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.