The Leonard Lopate Show Edit this Published in The Leonard Lopate Show How Cooking Made Us Human Listen 34 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe width="600" height="130" frameborder="0" scrolling="no" src="//www.wnyc.org/widgets/ondemand_player/wnyc/#file=json/59565"></iframe> Share on Facebook Share on Twitter Email a Friend Renowned Harvard University primatologist Richard Wrangham argues that cooking is the major factor in human evolution. In Catching Fire: How Cooking Made Us Human, he shows that the shift from raw to cooked foods was the key factor in human evolution.