In conjunction with the “150 Years of On the Origin of Species” exhibit, the Libraries will host a presentation titled “Darwinism New and Old” by MU Philosophy Professor Andre Ariew on Thursday the 5th of March at 1 p.m. in the Ellis Library Colonnade on the philosophy of evolution and creationism. In this talk, Dr. Ariew will examine the differences between Darwin’s theory of natural selection and modern versions.