Photo 1 (IMAGE) Helmholtz Centre for Environmental Research - UFZ Caption Researchers examined 48 bodies of running water in Kenya for pesticide contamination, composition of the biological communities and occurrence of snails. Credit @UFZ 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.