We thank Kevin Barry (Kaneb Center for Teaching and Learning) for support and advice. We extend a special thanks to Larry Mordan (a very dedicated high school biology teacher), Jennifer Robichaud (a great veterinarian parasitologist), and Karen Kalumuck (Exploratorium Teacher Institute) for invaluable insight and suggestions regarding this work. E.F. was supported through the Research Experiences for Teachers at Notre Dame program, a program funded by the National Science Foundation. K.M.H. was supported though funds from the Ellison Medical Foundation New Scholar in Infectious Disease program and a University of Notre Dame Faculty Research Program Award.