This week's special guest opens up by telling us about how she gouges out fish eyes to find out where they've been, it's Anna from Ocean Travellers telling us about how they can find out where sea creatures move and how they live.
Techno Mum is back in another Tech Trivia, this week it's all about energy while Professor Hallux examines bad breath. Dan answers your questions and brings us Science in the News including news about the first pictures taken from the new James Webb Space Telescope.See omnystudio.com/listener for privacy information.