Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Stubborn compounds called PFAS in drinking water put health at risk. Technologies based on plasmas, pressure, sound or fungus could finally degrade these chemicals.