In this edition of The Naked Scientists, we look at the science of hair, why we suffer hair loss, treatments that can slow hair loss, whether wigs are any good, and what happens during a hair transplant? Like this podcast? Please help us by supporting the Naked Scientists

Iain wants to know whether recent experiments have gotten us any closer to deciding which interpretation of quantum mechanics is most likely. This branch of physics describes the as yet unexplained interactions of very small particles. Here to help Rowan Berkley explore Iain's question is Maria Violaris, quantum research scientist and science communicator... Like this podcast? Please help us by supporting the Naked Scientists

Dr Chris answers listener questions including: do men and women have an equal chance of getting sports injuries? What health benefits can a sugar free diet bring? Why does my sock shift around my foot at night? How should we navigate testosterone levels in women's sport? How can we treat hypertrophic cardiomyopathy? Is 'biowater' a marketing gimmick? Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, Apple locked horns with the UK government who were demanding a security back door through the company's encryption. What was the outcome? Also, scientists discover the secret to the tastiest chocolate - it's all down to microbes. And, archaeologists uncover the earliest evidence yet of our ancestors using stone tools... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, why we need to pay closer attention to antimicrobial resistance in some of the world's poorest nations... Like this podcast? Please help us by supporting the Naked Scientists

Girts sends a question about which animals can mate to produce viable offspring. How is it that different breeds of dogs can come together to produce puppies, but add a different animal into the equation and you don't get the same result? Like this podcast? Please help us by supporting the Naked Scientists

Dr Chris is back to answer listener questions. Why do cat's eyes reflect bright colours? What are the short, high pitched ringing noises that can sometimes be heard? What causes Bell's palsy? Will botox help keep my eyelid up? Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: the scientists who think they can decode the thoughts we hear in our heads. Also ahead: do ultra-processed foods make it much harder to lose weight? Plus, we hear from the PhD student who is aiding the search for life on Mars... Like this podcast? Please help us by supporting the Naked Scientists

James Tytko explores the science behind 'three-parent' embryos: the incredible medical procedure that prevents children from inheriting incurable mitochondrial diseases. Like this podcast? Please help us by supporting the Naked Scientists

In the news, why a dose of bacteria might be the solution to combating kidney stones. What tooth enamel tells us about the lives and diets of dinosaurs. And what the world's most abundant insects can teach robots... Like this podcast? Please help us by supporting the Naked Scientists