Comments on: August 2011: Veterinarians collect a urine sample from Y12, a 16-year-old adult male bottlenose dolphin caught near Grand Isle, LA. Y12’s health evaluation determined that he was significantly underweight, anemic, and had indications of liver and lung disease. After the evaluation and attachment of VHF and satellite-linked tags, Y12 was released. (NOAA)

An inside look at the science of cleaning up and fixing the mess of marine pollution