When a Hole in the Head is a Good Thing

<h2>Credits</h2> <p>Host: <a href="https://samkean.com/" target="_blank" rel= "noopener" data-cke-saved-href="https://samkean.com/">Sam Kean</a><br /> Senior Producer: <a href= "https://www.sciencehistory.org/profile/mariel-carr" data-cke-saved-href= "https://www.sciencehistory.org/profile/mariel-carr">Mariel Carr</a><br /> Producer: <a href= "https://www.sciencehistory.org/profile/rigoberto-hernandez" data-cke-saved-href= "https://www.sciencehistory.org/profile/rigoberto-hernandez">Rigoberto Hernandez</a><br /> Audio Engineer: <a href="https://www.podbrain.org/" target="_blank" rel="noopener" data-cke-saved-href= "https://www.podbrain.org/">Jonathan Pfeffer</a></p> <p>Music:</p> <p>"Trois Gnossiennes 3," "Stately Shadows," "Darklit Carpet," "Vernouillet," and "Tossed" by <a href="http://sessions.blue/" target="_blank" rel="noopener" data-cke-saved-href= "http://sessions.blue/">Blue Dot Sessions</a>.</p> <p>"Conjunto Sol del Peru," by Pockra (Vol. 2: Musica de los Andes Peruanos).</p> <p>"Conjunto Sol del Peru," by Wuaylias Tusy (Vol. 2: Musica de los Andes Peruanos).</p> <p>"Conjunto Sol del Peru," by Ckashampa (Vol. 2: Musica de los Andes Peruanos)</p> <p>Image courtesy of the <a href="https://wellcomecollection.org/" data-cke-saved-href="https://wellcomecollection.org/">Wellcome Collection</a>.</p>