<p>There’s good reason to believe that sophisticated speech began long before <em>homo sapiens</em> hit the scene. John explains.</p> <br/><br/>This is a public episode. If you’d like to discuss this with other subscribers or get access to bonus episodes, visit <a href="https://lexiconvalley.substack.com/subscribe?utm_medium=podcast&utm_campaign=CTA_2">lexiconvalley.substack.com/subscribe</a>