Scientists once believed menopause was exclusive to humans. They also questioned its evolutionary purpose, as females lived long lives post-reproduction. Recent research, including studies of whale feces and chimpanzee behavior, offers new perspectives. These findings suggest menopause may serve a significant evolutionary role. The text highlights the importance of this "second act" of life. It acknowledges contributors Danielle Friedman, Rachel Gross, and Kate Radke. Episode production credits are also listed, including reporters, producers, fact-checkers, and editors. The piece references books by Heather Radke, Lucy Cooke, and Caroline Paul. Social media links for these authors are provided. The podcast is supported by listeners, with options for membership and engagement through a newsletter and social media.