ENVIRONMENT - What amphibians tell us about arsenic levels in the environment

(Phys.org) —Amphibians living in an old mine tailings site near Upper Seal Harbour, Nova Scotia, show high levels of arsenic after being tested using synchrotron light, leading scientists to believe these animals could be the canary in the coal mine for monitoring fresh water sites and understanding health concerns with arsenic in the environment ...

http://phys.org/news/2013-10-amphibians-arsenic-environment.htm