In this April 2, 2012, seminar, Sandor Ellix Katz is a renowned fermentation revivalist and author of 'Wild Fermentation: The Flavor, Nutrition and Craft of Live-Culture Foods' and 'The Revolution Will Not Be Microwaved'. In this seminar, he discusses his new book 'The Art of Fermentation: An In-Depth Exploration of Essential Concepts and Processes from Around the World'.