Fall leaves that drop into stagnant waterways could release significant doses of a highly toxic form of mercury, new research suggests.
LEAFY. Methylmercury concentrations spiked in Minnesota’s Little Cobb River after leaves fell in autumn. Balogh/Metropolitan Council Environmental ServicesLEAFLESS. County Ditch 86 saw only a small rise in methylmercury. Balogh/Metropolitan Council Environmental Services
Mercury-tainted fish pose a considerable health risk to people (SN: 3/9/91, p.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.
