Adventures in... Fermentation

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Where does rot end and revelation begin? In Adventures in Fermentation, scientist-chef Dr Johnny Drain explores the fizzing frontier where microbes transform food, flavour and the future. Each week he swaps stories and experiments with chefs, scientists, artists and other oddballs—revealing how bacteria, yeasts and moulds shape culture, climate, medicine and taste. Expect sharp science, global tales, recipe tips and the occasional explosive pickle. Pull up a jar, hit subscribe, and dive in.

Episode List

Dr Emily Leeming - Gut Feeling: From Superyachts to the Science of Microbes

Jun 27th, 2025 9:01 AM

Dietitian and microbiome scientist Dr. Emily Leeming joins Dr. Johnny Drain to talk bugs, brains, and breakfast. From private cheffing at sea to decoding the gut at King’s College London, they dive into leaky guts, making fibre sexy, and the future of fermented foods.From superyacht chef to microbiome scientist — Dr. Emily Leeming has seen food from both sides of the pass. In this episode, she joins fermentation expert Dr. Johnny Drain to explore the gut-brain connection, sexy fibre, and whether kefir really is better than kombucha.Emily is a dietitian and researcher at King’s College London, where she investigates how diet impacts mental health, cognition, and the gut microbiome. Expect science, anecdotes, and lots of good bugs.In this episode:The myth of leaky gut syndromeHow dietary fibre shapes your microbes and moodWhy kefir has the scientific edgeWhat it means to eat joyfully, not fearfullyTranslating research into real-life eating

Jeremy Umansky - Koji Alchemy: Mold, Magic & Microbes

May 30th, 2025 8:59 PM

Chef and koji wizard Jeremy Umansky joins Dr. Johnny Drain to talk moldy magic. From the birth of Koji Alchemy to building Larder in Cleveland, they dig into food futures, microbial muses, and why fermentation is always a team sport.