Physicist Richard Feynman's second act in California is explored, including his lectures at Caltech and his interest in bright students. The podcast also delves into his family dynamics and his exploration of different states of consciousness in his final years.

Seamus Blackley, a polymath and the inventor of the Xbox, shares his captivating journey into bread baking and ancient fermentation. He discusses resurrecting 4,000-year-old Egyptian yeast and the science behind sourdough starters. Seamus dives into the relationship between bread making and civilization, emphasizing its historical significance and emotional connections. He provides practical tips on wild yeast collection and scoring bread, highlighting the joy and simplicity of connecting with our culinary ancestors.