<p>Razib talks to Dr. Sohini Ramachandran of Brown about her classical paper from 2005 which showed decreasing genetic diversity as a function of distance from Africa <a href= "https://www.pnas.org/content/102/44/15942">https://www.pnas.org/content/102/44/15942</a></p>

Genomics of Mendelian Conditions

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.