<p>This week Spencer & Razib have been ousted! The "interns" take over, as Mackenzie Finklea, Brianna and Isabelle discuss the relationship between genetics and attraction.</p> <p><a href="http://pxlme.me/Q5qOCz3r">Episode 31 show notes</a>.</p>

So you want to be a geneticist…

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.