English 箭头
Podcast Cover

[Recycling Wonders: From Pee-Bricks to Biogas Experiments]-[Two Whats?! And A Wow! - Don't Let It Go To Waste! (8/26/22)]

Wow in the World · B1 · 2022-08-26

Preschool Enlightenment
Or study on the web version

📋 Summary

Exploring the Science of Recycling

In this episode of Wow in the World, hosts Mindy Thomas and Guy Raz take listeners on a playful yet educational journey into the world of recycling and resource transformation. The episode centers on their popular game show segment, "Two Whats and a Wow," which challenges listeners to distinguish scientific facts from creative inventions.

The "Two Whats and a Wow" Challenge

The core of the episode revolves around three scientific statements regarding recycling:

  1. Scientists have converted water bottles into nail polish.
  2. Researchers have found a way to turn human urine into bricks.
  3. Chewing gum can easily be turned into biogas to power homes.

Through listener interaction, it is revealed that the "winning wow" is the discovery that human urine can be converted into bricks. As Mindy explains, scientists in South Africa have developed "biobricks" using a mixture of "urine, calcium, sand, and bacteria." Remarkably, these bricks harden in just over eight days and are described as "utterly odorless" after 48 hours, offering a potentially eco-friendly construction solution.

Debunking and Expanding Scientific Knowledge

While the urine-brick fact was the primary focus, the hosts clarified the status of the other two statements:

  • Plastic Waste: While water bottles aren't turned into nail polish, they can be processed at "extremely high temperatures with activated carbon" to create jet fuel.
  • Biogas Potential: Chewing gum isn't a source for biogas, but organic matter like "bananas, apples, and avocados" can indeed be transformed into biogas, providing a sustainable energy source for generators and homes.

Operation Biomass to Biogas

To encourage hands-on learning, the hosts introduced a scientific challenge called "Operation Biomass to Biogas." Listeners are encouraged to experiment by placing "smashed banana" into a plastic bottle filled with water, topped with a balloon. The expectation is that over a few days, the decomposition of the organic matter will produce biogas, causing the balloon to inflate. This experiment serves as a practical demonstration of how biomass can be converted into usable energy.

Future Announcements and Community Engagement

Beyond the scientific content, Mindy and Guy Raz shared several updates for the "Wowzer" community:

  • The 250th Episode: The show is approaching a milestone, promising a "musical" celebration on December 1st.
  • Membership Perks: Members of the "World Organization of Wowzers" are invited to an early listening party for the 250th episode on November 22nd.
  • Holiday Toys: The team highlighted their new "Wow in the World" toy line, including kits for astronomy and science experiments, designed to help children "learn about their world through play."

By blending humorous skits—such as the "eco-friendly think tank" that reuses old ideas—with genuine scientific inquiries, the episode emphasizes the importance of innovation in sustainability and invites young listeners to participate in the scientific process.

🎯Key Sentences

1
But for now, let's get on with the show.
2
Now just stick to the script.
3
You're going to do great.
4
Can I interest you in a recycled bot?
5
Wendy, what exactly are we doing here?
Expand All

📝Key Phrases

1
music to your ears
2
get on with the show
3
stick to the script
4
in the business of
5
piping hot
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.

ListenLeap Brings You Into Real Context Learning

🎨 Interesting Content
🌍 Real Materials
📱 Listen Anytime
Or study on the web version