Researchers at Argonne National Laboratory and the University of Chicago have developed a method to detect a group of chemicals known as PFAS, or “forever chemicals.” Newswise — Per- and polyfluoroalkyl substances (PFAS) are oil- and water-resistant chemicals that are used in a range of consumer and industrial products, including nonstick pots and pans, fast-food packaging, firefighting foam, raincoats and stain-r... [7557 chars]