The Department of Biology’s last seminar of the semester will be held on Friday, Dec. 13, at 3:30 p.m. with Lavinia Sheets, PhD, as the speaker. Dr. Sheets is an Associate Professor in the Department of Otolaryngology – Head & Neck Surgery at Washington University School of Medicine in St. Louis. Her seminar will be held in Kollros Auditorium (Room 101), Biology Building East (BBE), beginning at 3:30 p.m. A reception with refreshments will be held in the BBE lobby following the seminar. Biology Professor Steven Green, PhD, is the faculty host.