On the 50th episode of the podcast, hosts Tom and Evan have a lively discussion about male erogenous zones before diving into some intriguing science news. Tom shares the latest research on male contraceptives, while also taking a moment to celebrate International Women in Science Day by highlighting some lesser-known female scientists from history. Meanwhile, Evan explores the insights into the second phase of the COVID origins study conducted by the WHO. The main story is divided into two parts, both focused on sperm donation and ethics. In the first part, Evan examines the discontinuation of time limits for using donated sperm and delves into the scientific, ethical, and moral implications of this change. In the second part, he discusses posthumous sperm retrieval and the associated ethical questions. Join us for this special episode as we reflect on our 50 episodes with a mix of humor, science and discussion.