Accumulates in watercourses (IMAGE) Chalmers University of Technology Caption The volatile heavy metal mercury is dispersed through the air and accumulates in watercourses, where it reaches both humans and animals. Credit Photo: Nazrin Babashova/Unsplash Usage Restrictions No restrictions. License Public Domain 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.