Ximena E. Bernal, Professor of Biology at Purdue University and a Research Associate at the Smithsonian Tropical Research Institute, will visit Grinnell College on April 30-May 1, 2026. Professor Bernal's lecture, "From Neurons to Evolution: How Eavesdroppers Shape Communication Systems", will be held on Thursday, April 30 at 11:00am CT in 101 Joe Rosenfield Center. The lecture is free and open to the public.