Enrico Coiera, director of the Centre for Health Informatics, discusses the benefits and potential pitfalls of AI scribes in healthcare, emphasizing the need for patient consent. Becky Freeman, a public health professor, highlights alarming trends in youth vaping, suggesting it could act as a gateway to smoking and calling for stricter regulations. Heinz Barmol, a psychology professor, explores the concept of mental time travel, explaining how it can enhance memory retrieval but can also destabilize memories during the process.