When a Hole in the Head is a Good Thing

Credits Host: Sam Kean Senior Producer: Mariel Carr Producer: Rigoberto Hernandez Audio Engineer: Jonathan Pfeffer Music: "Trois Gnossiennes 3," "Stately Shadows," "Darklit Carpet," "Vernouillet," and "Tossed" by Blue Dot Sessions. "Conjunto Sol del Peru," by Pockra (Vol. 2: Musica de los Andes Peruanos). "Conjunto Sol del Peru," by Wuaylias Tusy (Vol. 2: Musica de los Andes Peruanos). "Conjunto Sol del Peru," by Ckashampa (Vol. 2: Musica de los Andes Peruanos) Image courtesy of the Wellcome Collection.