
Why Swiss Cheese Has Holes | Smartest Year Ever (Jan 23, 2025)
About this episode
Ever wondered why Swiss cheese has holes? Gordy explores the quirky science behind these “eyes,” from bacteria and gas bubbles to the surprising role of hay dust. Discover how modern hygiene standards shrank the holes—and how cheesemakers brought them back.
Sources:
SwissInfo.ch: How Hay Particles Help Make Cheese Holes
National Dairy Council: Cheesemaking and Fermentation
Cheese.com: Types of Swiss Cheese
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