This Radiolab podcast episode, "Swimming with Shadows," is a promotional announcement for a week-long series focused on sharks. The hosts, Lulu Miller and Latif Nasser, playfully discuss the upcoming episodes, highlighting diverse stories about sharks—from large and small species to their potential medical applications. They contrast the fearsome image of sharks perpetuated by "Jaws" with a more nuanced perspective, promising to reveal the beauty and complexity of these animals. The announcement includes snippets of interviews and personal anecdotes, building anticipation for the upcoming series which will air daily starting June 16th.