Wesleyan’s intellectually dynamic faculty, students, alumni, staff, and parents frequently serve as expert sources for national media. Others are noted for recent achievements and accolades. In The Conversation, Benjamin Elling, assistant professor of chemistry, explains why Bisphenol A, or BPA, is so widely used to make plastics, despite its reputation for causing adverse health effects. Elling, a synthetic polymer chemist, says BPA-derived polycarbonates "are transparent, incredibly strong, light, and don’t begin to melt or lose structural integrity until they reach high temperatures." Polycarbonates, he says, are a ubiquitous part of modern life. "A major concern with designing new plastics is…