Joining the discussion is William Padilla Brown, a mycology expert and truffle enthusiast, known for his insights into the ecological importance of fungi. He dives into the revolutionary role of truffles as keystone species, their evolutionary significance, and their unexpected links to mammal health. Listeners will learn about sustainable truffle farming, the extravagant prices of rare varieties, and his documentary 'Organic Nobility.' William also highlights the rich diversity of North American truffles and the need for community support in mycology education.