Lerman Mowing (IMAGE) University of Massachusetts Amherst Caption Ecologist Susannah Lerman of UMass Amherst mowing a suburban lawn that was part of her study of bee populations and diversity. In exchange for participation, homeowners got free lawn mowing from the researchers, who cut roughly 350 miles of grass over the two-year study. Credit UMass Amherst 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.