The Evolution of the Human Brain

m p r's John Defterios talks with a scientist who studies what goes on in the brain when we speak. He says evolution has been refining these circuits for like, millions of years. It also suggests humans didn't make any great leap forward. We just kept taking these tiny evolutionary steps that eventually allowed us to have the conversation we're having now. john, it's true, with a little bit training and abe cold host an episode of short wave. I look forward to that day.