In this episode, we explore groundbreaking insights into how emotions are conveyed through facial expressions and subtle shifts in facial colour. Recent studies reveal that colour changes in specific areas of the face, linked to variations in blood flow, can communicate emotions as effectively—if not more so—than traditional facial expressions. Join us as we discuss how these colour cues work, the implications for artificial intelligence in emotion recognition, and what this means for our understanding of human empathy and interaction. Discover how this novel approach could redefine fields from psychology to AI, where machines may one day interpret human emotions more nuance and accurately than ever before.