How has new technology changed the face of sport? This week we delve into the science behind the tennis rackets that professional players use, the diets that top athletes follow, and how systems like Hawkeye are revolutionising the way that rules are enforced. Plus, we hear about new evidence that dolphins refer to each other by name, and sucking or chewing a sweet: which does least damage to teeth? Like this podcast? Please help us by supporting the Naked Scientists)
