Episode Summary
Executive Summary: This two-part cheese episode explains how cheese is made, categorized, aged, and marketed, while also exploring its history, animal ethics, lactose, and plant-based alternatives. Cheesemonger/phromologist Kira James breaks down the science of curds, whey, rennet, cultures, and rind, while the host layers in culture, industry, and sustainability context.
Main Topics: Cheese science and production (Priority: 5/5): Cheese is presented as a fermented food made from milk plus cultures, rennet, and salt, with curds and whey separating through coagulation and aging shaping final texture and flavor. Cheese styles, rinds, and aging (Priority: 5/5): The episode explains fresh, soft-ripened, washed-rind, firm, hard, and blue cheeses, including how humidity, time, molds, and bacteria affect rind type, texture, and aroma. History and geography of cheese (Priority: 4/5): Cheese history is traced to Neolithic agriculture around 8,000 BC, with discussion of regional traditions, protected names like Gruyere, and the influence of places such as Wisconsin, France, and the Alps. Ethics, sustainability, and plant-based options (Priority: 4/5): The host flags animal ethics and environmental concerns, mentions vegan/vegetarian rennet and plant-based cheeses, and highlights more sustainable small producers and BIPOC-focused initiatives. Cheese culture, storytelling, and cheesemongers (Priority: 4/5): Cheesemongers are described as educators and storytellers who help customers understand origin, flavor, and pairing, turning cheese buying into a cultural and historical experience. Lactose tolerance and digestibility (Priority: 4/5): The episode clarifies that many cheeses contain little or no lactose, especially aged hard cheeses, and that tolerance depends more on amount, moisture, and cheese style than on dairy generally. Industry identity and inclusivity (Priority: 3/5): The conversation notes cheese’s matriarchal history and queer-friendly culture, plus the need for diversity and access in artisan cheese through groups like Own Your Funk and Cheese Culture Coalition.
Key Arguments: Cheese is fundamentally a simple fermentation process: milk plus cultures, rennet, and salt become curds and whey, and aging determines the final style. Most cheeses contain little to no lactose, so many lactose-sensitive people can still eat aged cheeses in moderation. Rennet is not always animal-derived; vegetarian and microbial rennets are widely available and can replace traditional animal rennet. Cheese quality and character often come from smaller, traceable producers where the origin of the milk, animals, and methods are transparent. Rind is not automatically waste: many rinds are edible and contribute important flavor, especially in bloomy-rind and washed-rind cheeses. Cheese categories are best understood by texture and style rather than by rigid rules, because different cheeses use different curd cuts, cultures, and aging conditions. Processed cheese is framed as a cheese product rather than true cheese because it includes additional ingredients and emulsifiers beyond traditional cheese-making inputs.
Data Points: Cheese origin trace: 8,000 BC - Earliest traces of cheese discussed; linked to Neolithic milk fermentation in the Fertile Crescent Approximate age of cheese-making: about 10,000 years - Framed as the broader historical timeline for cheese Common cheese-making ingredients: 4 - Milk, cultures, rennet, and salt are described as the core ingredients Cheese styles discussed: 7 to 8 styles - Speaker notes styles vary by classification system Cheese types worldwide: over 2000 - Estimated number of cheese types created around the world Wisconsin cheese output: most cheese of any U.S. state - Wisconsin’s dominance is attributed to history, quality, and marketing Marketing support in Wisconsin: roughly a dollar a pound - Mentioned as the state’s cheese marketing support level World goat milk consumption: about 75% - Claim that a large share of the world consumes goat milk/chevre Rennet enzymatic content: up to 95% chymosin - Traditional young ruminant stomach rennet can be highly concentrated in chymosin Global rennet production: 70% of cheeses worldwide using genetically modified microorganisms - Used to explain modern microbial chymosin production Epoisses transport restriction: banned on train rails in parts of France - Cited as an example of an exceptionally pungent cheese Babybel recycling program: wax, cellophane, netting, and metal clip accepted - Described as a take-back/recycling system for the cheese packaging
Pivotal Quotes: "Cheese is a fermented food." — Kira James: Basic definition of cheese during the science explanation "If it doesn't add to your experience, then leave it behind." — Kira James: Advice on whether to eat edible cheese rinds "Cheese is inherently queer." — Host: Commentary on the culture, storytelling, and outsider appeal of cheese
Implications: Listeners get a practical framework for choosing, storing, and eating cheese more thoughtfully, while the industry is pushed toward transparency, sustainability, and inclusion. The episode also normalizes plant-based and ethical questioning without dismissing cheese culture.
About Ologies
Volcanoes. Trees. Drunk butterflies. Mars missions. Slug sex. Death. Beauty standards. Anxiety busters. Beer science. Bee drama. Take away a pocket full of science knowledge and charming, bizarre stories about what fuels these professional -ologists' obsessions. Humorist and science correspondent Alie Ward asks smart people stupid questions and the answers might change your life.