A microscopic picture of a methanogen (IMAGE) Tokyo Institute of Technology Caption A 100x100 micrometer field of view of an aggregate of methane-producing microorganisms Credit Paula Prondzinsky Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.