Dr. César Marin, researcher and academic in Chile, discusses the agency of fungi in symbiotic relationships with plants and the distribution of nutrients in plant networks. The podcast also explores the oldest tree in the world and its fungal associations, the connection between conifers and mycorrhizal fungi, drug decriminalization as a solution to the drug trade, the flaws of rationalism in science, and the fascinating impact of understanding fungal organisms on our perception of the world.