Dr. Jeffrey Barrick, Associate Professor and Lorene Morrow Kelley Professor of Microbiology at the University of Texas at Austin. Title: "New and confusing: how fossil discoveries have continually challenged our understanding of human evolution"

Dr. Darryl De Ruiter, Professor and Head of the Department of Anthropology, Texas A&M University. Title: "New and confusing: how fossil discoveries have continually challenged our understanding of human evolution"

Dr. Darryl De Ruiter, Professor and Head of the Department of Anthropology, Texas A&M University. Title: "A Tale of Two Body Plans: Australopithecus sediba, Homo naledi, and the origin of the genus Homo"

Dr. Sean Carroll, Head of the Department of Science Education of the Howard Hughes Medical Institute, and the Andrew and Mary Balo and Nicholas and Susan Simon Endowed Chair of Biology at the University of Maryland. Title: "The Serengeti Rules'"

Dr. Joshua Banta, Professor of Biology at the University of Texas at Tyler. Title: "When Neanderthals, hobbits, and our ancestors shared 'Middle Earth'"