Fermentation is a local and national obsession right now, from kimchi to kombucha to home brewing. We check in with a few members of our community with an affinity for the sour, and an artist who's collecting sourdough starters for an installation piece at the Charlotte Street Foundation. Plus, how one local author believes we can tap into all 54 of our senses . Guests: S.E. Nash , local artist Elliot Pees , owner, Kanbucha Vicky Pi , chef, Red Snapper Sami Aaron , The Nature Process