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[The Science of Light: Fluorescent Felines and Optical Wonders]-[Two Whats?! And A Wow! - Lighten Up! (Encore - 8/20/21)]

Wow in the World · B1 · 2021-08-20

Preschool Enlightenment
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📋 Summary

The Science of Illumination: A 'Wow in the World' Exploration

In this episode of Two Whats and a Wow, hosts Mindy and Guy Raz dive into the fascinating world of light, challenging young listeners to distinguish scientific facts from clever fabrications. Through their signature game show format, they explore the properties of light, bioluminescence, and the physics of transparency.

The Winning 'Wow': Fluorescent Cats

The centerpiece of the episode is the revelation of a true scientific phenomenon: the existence of fluorescent cats. As confirmed by listener George from St. Louis, researchers at the Mayo Clinic have successfully created cats that glow under specific light conditions. The hosts explain that this was achieved by inserting a specific glowing molecule—derived from jellyfish that naturally exhibit green bioluminescence—into the cat's genome. The result is a feline whose "coats, claws, whiskers, noses, and tongues all glowed green under blue light."

Debunking Myths and Exploring Light Sources

The show also clarifies two common misconceptions regarding light:

  • Glow Sticks: While they are a source of light, they are unique because they are "the only man-made light source that produce light without noticeable heat." The hosts debunk the idea that they could be used to roast a marshmallow.
  • Historical Lighting: While the very first light bulbs from the 1800s are no longer functional, the hosts share a fascinating historical anecdote about a neon light from the 1930s that remained burning for 77 years, incurring an electric bill of $17,000 before it finally ceased operation.

Hands-on Science: Operation Glow

To help listeners understand the behavior of light, the hosts introduce "Operation Glow," a home-based scientific challenge. They categorize materials based on their interaction with light:

  • Opaque: Materials that "block light from going through" (e.g., a blanket or a book).
  • Transparent: Materials that "let all light through" (e.g., a window).
  • Translucent: Materials that "let some light through" (e.g., thin fabric).

By encouraging listeners to use a flashlight to test various household items, Mindy and Guy Raz emphasize the importance of observation and curiosity. The episode serves as both an entertaining look at genetic science and a practical lesson in optics, inviting children to document their findings and continue exploring the "wows" in their own environments.

🎯Key Sentences

1
I gotta buckle down.
2
That's a thing?
3
Perfect my midnight sneak, you know.
4
We've got a game show to do.
5
You know it.
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📝Key Phrases

1
music to your ears
2
get on with the show
3
lose count
4
pitch black
5
buckle down
Expand All

📖 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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