This podcast episode explores the story of the uncontacted man living alone in the Amazon rainforest, known as "The Man of the Hole." The hosts discuss his unique situation as the last known speaker of his language and the last person to remember certain cultural practices. The episode delves into the ongoing debate surrounding the contact policy with uncontacted tribes in the Amazon and highlights the challenges faced by the Brazilian government in protecting these individuals. It also discusses the existence of other isolated tribes around the world and emphasizes the importance of respecting their isolation. The section concludes with a discussion on the ethical dilemmas surrounding isolated tribes, including the practice of "human safaris" and the issue of infanticide among some groups. The hosts acknowledge a listener's concern about their jokes about math and agree to be more sensitive in their discussions.