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In this episode of The Atlas Obscura Podcast, we get a crash course in the fascinating temperature-controlled ecosystem we’ve created to keep our food fresh—and available—all year round. Our guide is Nicky Twilley, cohost of the Gastropod podcast and author of the new book called Frostbite: How Refrigeration Changed our Food, Our Planet, and Ourselves.

Our podcast is an audio guide to the world’s wondrous, awe-inspiring, strange places. In under 15 minutes, we’ll take you to an incredible site, and along the way you’ll meet some fascinating people and hear their stories. Join us daily, Monday through Thursday, to explore a new wonder with cofounder Dylan Thuras and a neighborhood of Atlas Obscura reporters.

Dietmar Rabich, CC BY-SA 4.0/Wikimedia