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[The Science of Human Anatomy: Exploring Growth, Gravity, and Body Trivia]-[Two Whats?! And A Wow! - Some Body To Love (Encore - 9/17/21)]

Wow in the World · B1 · 2021-09-17

Preschool Enlightenment
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📋 Summary

Unlocking the Wonders of the Human Body

In this episode of Wow in the World, hosts Mindy Thomas and Guy Raz engage listeners in an educational and playful exploration of human biology. Through their signature game show, Two Whats and a Wow, they challenge young listeners—affectionately known as "Wowzers"—to distinguish scientific truths from common misconceptions.

The Gravity of Height: Why We Shrink Throughout the Day

The central scientific focus of the episode addresses the fascinating phenomenon of height variation. The "winning wow" revealed is the fact that humans are taller when they first wake up in the morning compared to the evening.

According to the hosts, this occurs because of the constant pull of gravity on our bodies. Throughout the day, as we sit, stand, and move, gravity compresses the cartilage in our spines and knees, effectively making us slightly shorter. When we sleep, this cartilage has the opportunity to "decompress and spread back out," restoring us to our original height. As an extreme example, the podcast notes that astronauts often return from space up to an inch or two taller because they have been free from the compressive force of Earth's gravity.

Debunking Body Myths

The episode also clarifies two common misconceptions regarding human anatomy:

  1. The Skull Misconception: While many might guess that the skull is the largest or heaviest bone, it is actually composed of 22 different bones. The title of the strongest and heaviest single bone in the human body belongs to the femur (the upper leg bone).
  2. The Blood Weight Myth: Contrary to the belief that blood makes up half of a person's weight, it actually accounts for only about 10%. The remainder of our body weight is distributed across bones, organs, muscles, and tissues.

Encouraging Scientific Creativity: Operation Extra Extra

Beyond sharing facts, the hosts encourage listeners to engage in "Operation Extra Extra," an interactive challenge that tasks children with inventing an extra body part. Whether it is an eye in the back of the head or an elephant-like trunk, the goal is to design a model—either on paper or in 3D—that considers how such an addition could function or assist a human in daily life. This activity emphasizes the show's mission to help children "learn about their world through play."

Announcements and Future Learning

The episode concludes with exciting updates for the community, including the upcoming 250th episode, which will be a musical celebration, and the announcement of a new book titled The How and the Wow of the Human Body, set for release on March 2nd. Through these initiatives, Wow in the World continues to foster curiosity and scientific literacy among its audience, proving that learning about the human body can be both an intellectually stimulating and highly entertaining experience.

🎯Key Sentences

1
We think this one is going to be music to your ears.
2
But for now, let's get on with the show.
3
Is everything okay?
4
Well, better than okay now that you're here.
5
That's a little less odd.
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📝Key Phrases

1
music to your ears
2
let's get on with the show
3
nail-biter
4
refresh our contestants
5
spell it out
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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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