When I was teaching physical, or biological anthropology, I was often asked, “Is our species still evolving?” Sometimes, the question was posed to me a bit more forcefully, as a challenge to the reality of evolution, itself. Some students would ask, “If evolution occurred, why aren’t we humans still evolving?” (And those were some of the easier questions I fielded in my thirty something years of teaching anthropology prior to my retirement several years ago due to an autoimmune disease). What made these particular queries so simple to address is, first, the overwhelming evidence that we humans are still undergoing evolutionary change. About three years ago, for example, University Chicago Professor Jonathan Pritchard and his [...]