Flounder (IMAGE) Woods Hole Oceanographic Institution Caption Scientists documented a dramatic rebound in flounder health in Boston Harbor, spurred by decades of remediation efforts including a $3.8 billion project to construct a sewage treatment plant and a 9.5-mile discharge tunnel with a 6,600-foot-long outfall diffuser. Credit Photo by Chris Pickerell, Cornell Cooperative Extension of Suffolk County Usage Restrictions with proper credit 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.