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[The Science of Scents: Why Does Binturong Urine Smell Like Popcorn?]-[Hot Buttered Popcorn...PEE?!? (Encore - 10/9/17)]

Wow in the World · B1 · 2017-10-09

Preschool Enlightenment
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📋 Summary

The Chemistry of Aroma: The Maillard Reaction

In this episode of Wow in the World, hosts Mindy and Guy Raz explore the fascinating science behind the irresistible smell of hot buttered popcorn. The discussion centers on a specific chemical process known as the Maillard reaction. Named after the French scientist Louis Maillard, who discovered it in 1912, this reaction occurs when amino acids and natural sugars in food are subjected to heat. This process produces a chemical compound called 2-acetyl-1-pyroline, or 2-AP for short. As Guy Raz explains, this compound is composed of microscopic molecules—invisible structures formed when atoms create bonds—that trigger our olfactory senses to perceive that savory, movie-theater aroma.

The Binturong Mystery: A Tropical Connection

The hosts transition from their kitchen experiment to the rainforests of Indonesia to investigate a peculiar biological mystery. They seek to understand why the Asian Binturong, also known as the "bear cat" (a creature resembling a cross between a bear and a cat), emits a scent remarkably similar to hot buttered popcorn. Upon arrival, the hosts observe the Binturong engaging in a deliberate behavior: it urinates on its own feet and tail. This is not an accident; the Binturong uses its urine as a scent trail to mark its territory and communicate with other Binturongs, effectively sending a message to "keep out."

Scientific Breakthroughs and Future Applications

To solve the mystery of why this urine smells like a snack, the hosts reference research led by Lydia Green of Duke University. Her team analyzed samples of Binturong urine and confirmed the presence of the same 2-AP compound found in toasted bread, rice, and popcorn. While scientists have yet to pinpoint the exact biological mechanism—hypothesizing that a chemical reaction occurs when the urine contacts the animal’s skin—the implications of this discovery are significant.

The episode concludes by highlighting the potential real-world applications of such findings. By understanding how animals produce specific scents, scientists hope to develop methods to create these smells in laboratory settings. Such advancements could be revolutionary in conservation efforts, potentially allowing researchers to produce scents that attract endangered animals to safer habitats or lure injured wildlife to veterinary care. Through this blend of chemistry and ecology, the episode illustrates how curiosity about the natural world can lead to innovations that protect and preserve biodiversity.

🎯Key Sentences

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It really classes up the experiment.
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Wait, what did you just say?
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I need to imagine this discovery.
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I'm firing up Netflix.
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Well, that's not exactly...
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📝Key Phrases

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music to your ears
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get on with the show
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follow your nose
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classes up
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crank up the heat
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📖 Transcript

Grownups, Wondery Plus subscribers can listen to Wow in the World early and ad-free right now.
Join Wondery Plus in the Wondery app or Wondery Kids Plus on Apple Podcasts.
Hey, Wowzer fans, Mindy here.
And before we start the show, I gotta let you know that this November, with a special new episode featuring our friends at Circle Round and Terrestrials on Radiolab for Kids,
And don't miss when Elmo from Sesame Street stops by Wow in the World to make us all belly laugh on November 24th.
Oh, but that's not all, Reg.

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