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Dr. Jeffrey Rogers (Baylor College of Medicine, The Human Genome Sequencing Center) gave a lecture today entitled "What Ernst Mayr Didn't Know: Insights into Baboons and Other Primates from Whole Genome Sequencing". Dr. Rogers presented some of the new genetic data that he and his collaborators are using to reconstruct and clarify the evolutionary history of baboons over the last several million years. Dr. Rogers described the interplay of diverse processes of genetic introgression and admixture, natural selection, and geographic dispersal that have generated a complex and extremely fascinating story of how the six different kinds of baboons in the genus Papio (as well as possible "ghost lineages") came into existence in different parts of Africa. Data on other nonhuman primates, such as macaques, rounded out a stimulating afternoon.