Luisa Angeles (IMAGE) University at Buffalo Caption UB chemistry PhD candidate Luisa Angeles was the study's first author. Angeles traveled to Bangladesh to help collect water samples, which were later analyzed in Buffalo, New York in the lab of UB chemistry professor Diana Aga. Credit Credit: Meredith Forrest Kulwicki Usage Restrictions This photo may only be used in news stories discussing the research in the associated press release. 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.