Brains On! Science podcast for kids · Brains On Universe

Do dogs know that they're dogs?

November 18, 2025·26 min·2 clips

Dogs recognize themselves through smell, not mirrors, in a groundbreaking olfactory self-awareness test.

This episode of Brains On! explores whether dogs possess self-awareness and understand their own identity. Host Molly Bloom and guest co-host Evelyn, a young listener from Pennsylvania, investigate this question with help from canine cognition expert Alexandra Horowitz. The episode opens with a humorous fictional segment featuring a "Dog Advisory Council" meeting at the show's headquarters. Alexandra Horowitz, who runs the Dog Cognition Lab at Barnard College, explains that dogs likely do recognize themselves as dogs and can identify other dogs despite breed variations. She cites a study where dogs were trained to pick out dog faces from a set including cats, cows, and donkeys, which they did successfully. Dogs famously fail the classic mirror self-recognition test, which species like dolphins and chimpanzees can pass. Horowitz designed an alternative "olfactory mirror test" where dogs showed more interest in a modified version of their own scent, suggesting self-awareness through smell rather than sight. Horowitz notes dogs may track an owner's absence by noticing the gradual dissipation of that person's scent in the home. She states there is no guaranteed way to become a dog's favorite person, but consistent attention through feeding, walks, and play helps. The episode also covers dog dreams, explaining they occur during REM sleep and can cause twitching, and that a brain area called the pons prevents them from physically acting out dreams. Researcher Vanessa Woods from Duke Puppy Kindergarten describes using a toy T-Rex stomp sound to study puppy personalities and mentions dogs' advanced ability to follow human pointing gestures, a sign of "theory of mind." The show clarifies that while humans interpret dog barks with different onomatopoeic words across languages—like "woof" in English or "guf guf" in Somali—dogs do not actually bark in different dialects. Dogs can, however, be trained to respond to commands in any human language. A mystery sound segment reveals the noise was a toy T-Rex stomping, used in puppy cognition research. The fictional Dog Advisory Council reconvenes to approve the episode's canine content. The tone is playful and educational, blending humorous skits with clear explanations of scientific concepts for a young audience. Listeners enjoy interactive segments like the mystery sound and questions from child listeners. This episode is perfect for curious kids and families who love dogs and enjoy fun, fact-based science exploration. Listeners seeking a purely serious, formal science lecture might find the comedic framing and fictional interludes less appealing.

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