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[The Wonders of the Tiny and the Toxic: Exploring the Amphibian World]-[An UnFROGettable Day At the Museum of Wow! (encore)]

Wow in the World · B1 · 2020-02-10

Preschool Enlightenment
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📋 Summary

Exploring the Remarkable World of Amphibians

In this episode of Wow in the World, hosts Mindy and Guy Raz take listeners on an educational journey through the "Museum of Wow" to celebrate "Senior Citizen Day" and explore the fascinating scientific world of amphibians. Amphibians, defined as animals that undergo a "double life"—a process known as "metamorphosis" where they transition from aquatic gill-breathing creatures to land-dwelling lung-breathing adults—are the central focus of the museum’s new exhibit.

The Discovery of "Mini" Frogs in Madagascar

The first highlight of the tour is the "Hall of Mini Frogs." Mindy and Guy Raz discuss the recent discovery of three new species of tiny frogs in Madagascar by a team of evolutionary biologists led by Marc Schurz from Ludwig Maximilian’s University. These species, creatively named Mini-atcher, Miniscule, and Minimum, are remarkably small. The hosts emphasize just how tiny they are, noting that the largest of these, Mini-atcher, can fit on a "human thumbnail," while Minimum is "as small as a staple or a grain of rice." The scientists faced significant challenges in the wild, describing the search as an "interspecies game of Marco Polo," where they had to rely on listening to the frogs' calls to locate them in the dense forests.

The Mysterious Pumpkin Toadlet

The second exhibit focuses on the "pumpkin toadlet," a creature found in the Atlantic Forest of Eastern Brazil. This species is unique for several reasons. Despite being "smaller than a nickel" and "bright orange like a pumpkin," these frogs possess a bizarre biological trait: they are "completely deaf" due to "underdeveloped ears," making it impossible for them to hear the mating calls of their own species.

To solve the mystery of how these frogs communicate, researchers like Sandra Gutt from NYU Abu Dhabi discovered that the pumpkin toadlet’s bones are "fluorescing a bright blue color" under ultraviolet light. This "fluorescent skeleton" shines through their orange skin. While scientists are still investigating whether the frogs can see this glow, one leading theory published in the journal Scientific Reports suggests that this fluorescence acts as a warning signal to predators, indicating that the frog is "toxic" and poisonous if consumed. This episode perfectly captures the spirit of scientific discovery, highlighting how even the smallest, most "teeny weeny" creatures hold complex secrets about survival and evolution.

🎯Key Sentences

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I gotta let you know that
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this one is going to be music to your ears.
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I'm going to pair the two of you up as well.
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be our chaperone for today.
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I think you must be mistaken.
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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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lay down some ground rules
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buddy system
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take a bathroom break
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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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