Incubating Microbes to Study Early Earth (IMAGE) Georgia Institute of Technology Caption Tiny incubators were used to simulate early Earth conditions, tracking microbial diversity and methane emissions over a period of 500 days. Credit Credit: Rob Felt, Georgia Tech Usage Restrictions None 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.