UNIVERSITY OF CALIFORNIA – RIVERSIDE IMAGE: MARGARITA CURRAS-COLLAZO IS A PROFESSOR OF NEUROSCIENCE AT UC RIVERSIDE. CREDIT: UC RIVERSIDE. RIVERSIDE, Calif. — Polybrominated diphenyl ethers, or PBDEs, are a class of fire-retardant chemicals that are ubiquitous. They are found on upholstery, carpets, curtains, electronics, and even infant products. Flame retardants migrate out of products into dust...