Ximena E. Bernal, Professor of Biology at Purdue University and a Research Associate at the Smithsonian Tropical Research Institute, will visit St. Olaf College on September 22-23, 2025. Professor Bernal's lecture, "Traffic Noise and Artificial Light at Night: Human Impact on Frog Communication", will be held on Monday, September 22 at 4:00pm CT in RNS 150. The lecture is free and open to the public. More information can be found here.