Stuff You Should Know
Stuff You Should Know

Our cats episode - right here, right meow

Cats are the most popular pet in the United States, despite the fact that we've only been keeping them indoors for 50-60 years. Learn about more cat facts in today's episode.

Topics Discussed

Episode Summary

Executive Summary: The episode is a light, wide-ranging exploration of cats: their ancient co-evolution with humans, anatomy, behavior, and modern care. The hosts argue cats are not fully domesticated, are best kept indoors for safety and wildlife protection, and should never be declawed. They also cover catnip, purring, scratching, litter, and cat-human bonding through personal stories and practical pet advice.

Main Topics: Origins and domestication of cats: The hosts trace cats back to the African wildcat and explain that humans and cats formed a long symbiotic relationship around agriculture, grain storage, and rodent control long before ancient Egypt. Cats versus dogs: anatomy and evolutionary quirks: They highlight the physical differences that make cats distinctive, including their bone structure, detached clavicle, tails, whiskers, paws, and retractable claws, emphasizing how these traits support stealth, balance, and movement. Indoor versus outdoor cat debate: A major segment weighs the safety and ethical arguments for keeping cats indoors versus allowing them outside, noting life expectancy, wildlife impacts, and habitat disruption. Declawing and humane cat care: The hosts strongly argue against declawing, describing it as cruel and harmful, and recommend training, scratching posts, nail trimming, and behavior management instead. Cat behavior and communication: They discuss kneading, head-butting, spraying, drooling, panting, and purring as forms of communication, marking, stress response, or affection, with anecdotes from their own cats. Practical care: diet, litter, and enrichment: The episode covers cat litter invention, feeding indoor cats a proper meat-based diet, avoiding cow's milk, and providing enrichment so indoor cats stay healthy and stimulated. Listener mail and closing banter: The show ends with listener feedback about math ambiguity and a tangent into podcast housekeeping, touring promo, and the hosts' personal cat stories.

Key Arguments: Cats likely began living alongside humans in the Fertile Crescent around the rise of agriculture, not just in ancient Egypt. Cats are descended from the African wildcat and remain only partly domesticated, which explains their independence and adaptability. Keeping cats indoors generally increases their lifespan and reduces wildlife predation, though it limits natural behaviors that some owners value. Declawing is not a minor cosmetic procedure; it is harmful, removes a cat’s primary defense and climbing tool, and can create long-term physical and behavioral problems. Indoor cats need deliberate enrichment, proper meat-based nutrition, and litter management because their lives are more sedentary than outdoor cats. Many common cat behaviors—kneading, head-butting, spraying, purring, and catnip reactions—are tied to scent marking, comfort, stress, or instinct rather than random quirks. Cat care should prioritize adoption, spaying/neutering, and early training to prevent unwanted behaviors and reduce overpopulation.

Data Points: Cat bones: about 244 - Estimated total number of bones in a cat's body Tail bones: 27 - Number of bones located in a cat's tail Cats and wildlife deaths in the U.S.: hundreds of millions of birds and more than 1 billion small mammals per year - American Bird Conservancy estimate cited in the indoor-outdoor debate Indoor cat lifespan: 15, 17, 20 years - Hosts cite long life expectancy for cats kept indoors Outdoor cat lifespan: 2 to 5 years - Hosts cite shorter life expectancy for strictly outdoor cats Cat litter invention year: 1947 - Ed Lowe created modern kitty litter after a neighbor needed a substitute for frozen sand Humans with toxoplasmosis: one in three people in the world - Claim made while discussing cat litter, toxoplasmosis, and public health Intermittent explosive disorder study sample: 358 adults - University of Chicago study mentioned in relation to toxoplasmosis IED and toxoplasmosis overlap: half of people with IED had toxoplasmosis infections - Study result cited in the episode US stray cat population: 70 million - Estimated number of stray cats in the United States

Pivotal Quotes: "Don't declaw." — Josh Clark / Charles W. Chuck Bryant: Repeated as the hosts argue that declawing is cruel and unnecessary "Cats are not technically domesticated animals." — Josh Clark: Explaining the evolutionary status of house cats and why they remain largely feral in behavior "The American Bird Conservancy estimates that... cats kill hundreds of millions of birds and more than a billion small mammals like rabbits, squirrels, and chipmunks every year." — Josh Clark: Used to support the case for keeping cats indoors

Implications: Listeners are encouraged to treat cats as high-needs, semi-wild companions: spay/neuter early, avoid declawing, consider indoor living, and provide enrichment. The episode also underscores cats' major ecological impact and the importance of adoption over purchasing.

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If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.

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