Lead author (IMAGE) University of Massachusetts Amherst Caption Michael Seifu Bahiru is a Ph.D. candidate in the lab of Eric Bittman, Professor Emeritus of Biology at UMass Amherst. Credit UMass Amherst Usage Restrictions None 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.