In this episode of The Happy Pod from the BBC World Service, listeners are treated to a collection of heartwarming stories. Discover how bottlenose dolphins express emotions through facial expressions similar to humans during play. Learn about a revolutionary fully robotic double lung transplant that speeds up recovery times. Explore innovative clothing designed to help autistic individuals communicate their feelings more effectively. Be inspired by the remarkable journey of a young baseball player who made a triumphant return to the game after losing a leg. The episode also highlights a Netflix documentary about four children surviving in the Amazon rainforest and the surprising success of San Marino's football team. Lastly, it delves into how AI is being used to fight against telephone scams.