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[The Secrets of Fingerprints: Unlocking the Science of Human and Koala Prints]-[Two Whats?! And A Wow! - Fingerprints! (Encore - 8/6/21)]

Wow in the World · B1 · 2021-08-06

Preschool Enlightenment
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📋 Summary

The Fascinating Science of Fingerprints

In this episode of Wow in the World, hosts Mindy Thomas and Guy Raz engage listeners in their signature game show, "Two What's and a Wow," focusing on the intriguing biological topic of fingerprints. Through a mix of humor and scientific inquiry, the hosts challenge young listeners—referred to as "Wowzers"—to distinguish scientific facts from common misconceptions.

The Game: Separating Fact from Fiction

The segment presents three distinct statements about fingerprints, tasking the audience with identifying the single "true wow":

  1. Identical twins have identical fingerprints.
  2. Koala fingerprints and human fingerprints are almost indistinguishable.
  3. The world's oldest fingerprint was found on an ancient fish sculpture from 2,000 years ago.

Unveiling the Scientific "Wow"

With the help of a listener named Ansley from Baltimore, the show confirms that Statement B is the correct answer. The hosts explain that koala fingerprints possess "similar koala-ties" to human prints, sharing complex patterns that are so close in structure that they have historically caused confusion in forensic investigations. This biological overlap is a testament to the evolutionary complexity of primates and marsupials.

Debunking the Myths

To ensure listeners have a complete understanding, the hosts clarify the inaccuracies surrounding the other two options:

  • The Myth of Identical Twins: While identical twins share genetic material, they do not share identical fingerprints. Each individual possesses a unique print, highlighting that human individuality is shaped by more than just DNA.
  • The Oldest Fingerprint: The claim about the fish sculpture was incorrect. The actual "oldest discovered fingerprint" dates back approximately 80,000 years to a Neanderthal. The print was preserved in glue used to craft a tool, providing a rare and ancient glimpse into early human ingenuity.

Hands-on Exploration: Operation Wowsers

The episode concludes with a practical experiment titled "Operation Wowsers: Fingerprint Detective." This challenge encourages children to observe their own biology by using household items like flour or baby powder and clear tape to lift and examine their unique ridges. Mindy and Guy Raz urge participants to categorize their prints into "loop," "whirl," or "arch" patterns, fostering a sense of curiosity and scientific observation in the home environment.

By blending entertainment with forensic science, Wow in the World successfully turns a complex biological topic into an accessible and engaging learning experience for families.

🎯Key Sentences

1
That's it.
2
It's going to be a November to remember.
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But for now, let's get on with the show.
4
Hold, please.
5
There must be something wrong with this
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📝Key Phrases

1
music to your ears
2
get on with the show
3
go bonker balls
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get this game show on the road
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hit the lights
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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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