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Recognizing butts and using clowns as anesthesia

January 20, 2026 · 53 min

Show notes

Humans recognize each other’s faces. Chimps recognize each other’s butts. However, do chimps recognize human butts? Do humans recognize human butts? Do humans recognize chimp butts? All these questions must be asked.

Getting surgery, even minor procedures, triggers anxiety. Do clowns help kids relax pre-surgery? Is there room for clowns in pediatric operating rooms?

In this episode, Lu and Tirth discuss historic science gaffes, how human faces are quite similar to chimpanzee butts, and whether clowns can be good anxiolytics for children.

Timestamps:

  • 0:00 Intro
  • 0:55 Dave talk
  • 5:27 Historic science gaffes quiz
  • 19:22 Chimp butt study
  • 36:49 Clown studies
  • 50:29 What did you learn today, outro

Article links:

  • Kret & Tomonaga, 2016. Getting to the Bottom of Face Processing. Species-Specific Inversion Effects for Faces and Behinds in Humans and Chimpanzees (Pan Troglodytes). PLoS One. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0165357
  • Vagnoli et al., 2005. Clown doctors as a treatment for preoperative anxiety in children: a randomized, prospective study. Pediatrics. https://doi.org/10.1542/peds.2005-0466
  • Golan et al., 2009. Clowns for the prevention of preoperative anxiety in children: a randomized controlled trial. Pediatric Anesthesia. https://onlinelibrary.wiley.com/doi/10.1111/j.1460-9592.2008.02903.x

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Theme music by Dasein: https://open.spotify.com/artist/77H3GPgYigeKNlZKGx11KZ

Recreational Science is produced by Scientafic (https://www.scientafic.com/recscipod)

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