Exploring the mystery of protein structures using state-of-the-art technology will be the focus of an illustrated lecture Oct. 6 at the University of Maine Emera Astronomy Center. Caitlin Howell, an assistant professor of bioengineering at UMaine, will present, “Unlocking the Secrets of Proteins: The Rise of Cryo Electron Microscopy,” at 7 p.m. in the Jordan read more Lecture to unlock secrets of proteins at Emera Astronomy Center