Rice University’s Center for Teaching Excellence hosted the second Faculty Owl Days Sept. 20 and 21. James DeNicco, director of Rice’s Principles of Economics Program and a lecturer in economics, was among the faculty from across the university opened their classrooms to allow colleagues to observe them and the variety of spaces, styles and languages they use. For more information, visit http://cte.rice.edu/faculty-owl/. Photos by Jeff Fitlow.