In an industry where long-form conversations often go unchecked, The Diary of a CEO has taken a pioneering step that could reshape how podcasts handle scientific and medical content. Steven Bartlett’s globally renowned podcast has become the first major show with more than 5 million youtube subscribers, to consistently fact-check guests on screen, starting over 6 months ago, employing a medical PhD graduate to add real-time notes to episode transcripts that improve scientific accuracy and provide audiences with greater context.