Latif Nasser embarked on a quest to discover the sweetest thing in the world after his sons posed the question. This investigation explored various possibilities, from the Katemfe berry in West Africa to artificial sugar substitutes. The journey delved into what constitutes sweetness and how our senses, including unexpected body parts, perceive it. It also considered the lengths people would go to experience unprecedented sweetness. The text acknowledges numerous individuals and organizations that contributed to the episode, including researchers, scientists, and food experts. Specific mentions are made of Nicola Twilley, Cynthia Graber, Claire Saffitz, Sam Seneveratne, Charles Spence, Grant DuBois, Danielle Reed, and Sarah Berry. The episode credits detail the reporters, producers, fact-checkers, and editors involved. Citations list relevant videos and articles exploring themes of sugar and sweetness. The segment concludes by encouraging listeners to subscribe to a newsletter and support Radiolab through membership. It also provides social media handles and contact information for listener engagement. Finally, it lists the foundations providing leadership and foundational support for Radiolab's science programming.