Dogs Working (2 of 2) (IMAGE) American Society for Microbiology Caption A border collie patrols the beach as part of a study on reducing E. coli contamination. Credit Elizabeth Alm Usage Restrictions Attribution 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.