Razib discusses revolutionary new work published in Nature that
tells us that modern humans were present in the Americas 32,000
years ago with one of the authors, Lorena Becerra-Valdivia.
Where did we come from? One of humanity's most basic questions, the answer is fascinating. Weaving together insights from the fields of genetics, archaeology, linguistics, and paleoanthropology, hosts Spencer Wells and Razib Khan take us on a grand tour of human history. Scientific storytelling at its best.