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[The Science of Slow: Why Some Animals Move at a Glacial Pace]-[WeWow Summer Week - Day 1: Dennis is Bored! (7/7/25)]

Wow in the World · B1 · 2025-07-07

Preschool Enlightenment
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📋 Summary

The Competitive World of the "Not-a-Dash"

In a lighthearted episode of Wow in the World, hosts Mindy and Guy Raz explore the concept of extreme slowness by attending the "100-meter Not-a-Dash" at the Snoozefest Arena. This humorous event features some of the world's slowest creatures, including Gary the Koala, Barney the Sloth, and the star newcomer, Deborah the Salamander. While the hosts joke about the agonizingly slow pace of the competition, the underlying scientific inquiry focuses on why these animals have evolved to move so little.

The Energy Economics of Slowness

Guy Raz explains that for animals like the koala and the sloth, speed is sacrificed for energy conservation. Koalas, which are described as "super fussy eaters," rely almost exclusively on eucalyptus leaves. These leaves are notoriously difficult to digest and provide very little nutritional value. Consequently, koalas spend the majority of their day sleeping to process these "tiny fibers," leaving them with only a "small supply of energy" for their waking hours. Similarly, the sloth’s diet results in a lack of "energy to spare," forcing them to maintain a lethargic lifestyle where they may only move 41 yards in a single day.

The Olm: A Master of Zen

The most extreme example highlighted is the Olm (a type of cave-dwelling salamander), specifically the competitor named Deborah. Researchers from Hungary discovered that these amphibians are so sedentary that they may move as little as "five meters, or 16 feet, every year." In an extraordinary finding, one Olm—Deborah—remained in the exact same spot for "2,569 days in a row."

This behavior is not due to laziness, but rather a perfect evolutionary adaptation. Olms live in damp, dark caves where they face "no natural predator," removing the need for flight-or-fight speed. Furthermore, their reproductive cycle is incredibly infrequent, occurring only once every "12 and a half years." By utilizing a "sit and wait" hunting technique, they conserve energy by letting small crustaceans come to them, sometimes waiting "one or two years between meals."

Conservation and the Future

While the competition is presented as a comedic spectacle, the episode concludes with a serious note on environmental stewardship. Because these animals operate at such a "glacial pace," they are particularly vulnerable to "climate change and habitat destruction." The research conducted on these slow-moving creatures is vital for developing laws to keep their habitats "safe and sound." Mindy and Guy Raz emphasize that understanding the unique biology of these animals is the first step in ensuring they continue to thrive for the next hundred years—a timeframe that, for the Olm, is just a fraction of their potential lifespan.

🎯Key Sentences

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I don't know what kind of stuff, but we'll figure it out!
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Well, for your information, I'm getting my MBA.
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What do you mean you don't know?
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You were supposed to plan all the things we do forever and ever.
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Who knew having nothing to do would be so boring?
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📝Key Phrases

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flip the script
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star-studded cast
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chart-topping hit
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get a move on
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safe and sound
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📖 Transcript

Grown -ups, 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, grown -ups. Mindy here.
And before we start the show, it's Prime Time!
Sorry, I meant Prime Day.
And you know what that means.

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