Events Explore some of the exciting events that we host here at the Bayer School! Homecoming Happy Hour Mellon Hall Lobby6 pm - 8 pm Join us for an evening of cocktails and games as we celebrate Homecoming alongside our anniversary! Darwin Day Darwin Day is Duquesne's annual international celebration of the life and work of Charles Darwin. The event emphasizes the importance of science education in today's world, and the impact that evolutionary biology has on many aspects of our lives. ACS Student Member Symposium The Annual ACS Student Member Symposium is a chance for ACS members to showcase their hard work and research.