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[Can Music Change the Taste of Cheese? Exploring the Science of Sonochemistry]-[Drop That Beat and Cut The Cheese...For Science! (Encore - 11/25/19)]

Wow in the World · B1 · 2019-11-25

Preschool Enlightenment
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📋 Summary

The Sonic Science of Cheese Ripening

In a recent episode of Wow in the World, hosts Mindy and Guy Raz dive into a curious scientific phenomenon: the ability of sound waves to influence the flavor and chemical development of cheese. This process, rooted in the field of sonochemistry, suggests that exposing aging cheese to specific types of music can alter its sensory profile.

The Hypothesis: Sonochemistry and Ripening

At the heart of this exploration is the science of sonochemistry, which investigates how sound waves can affect chemical reactions. Mindy introduces the concept by citing a study from the Bern University of the Arts in Switzerland. The researchers in this study hypothesized that by playing music to wheels of Emmental cheese during the ripening (or maturing) process, they could manipulate the chemical reactions occurring within the cheese, ultimately changing its final taste.

Ripening is a critical phase in cheese production where temperature, humidity, and time interact to develop flavor. The Swiss researchers aimed to determine if acoustic energy—sound waves—could act as an additional environmental factor to influence this development.

The "Ear-Curdling" Experiment

Mindy takes the experiment to a personal level by setting up a "cheese listening lab" in Guy Raz’s bathroom. She curates nine different wheels of Emmental cheese, each exposed to a 24-hour loop of a specific genre or frequency:

  • Musical Genres: R&B (or "R&Bree"), Rock, Classical, Techno, Meditation music, and Rap.
  • Frequency Tests: High, medium, and low tones playing continuously.
  • The Control: A wheel of cheese kept in complete silence to serve as a baseline for comparison.

These cheeses were left to "marinate" in their respective soundscapes for approximately six months. By using small speakers directed at the wheels, Mindy sought to replicate the conditions of the original academic study.

Sensory Consensus Analysis

To evaluate the results, the team performed a sensory consensus analysis, a formal scientific method used to precisely measure the smell and taste of food. The findings were quite striking:

  1. Milder Flavors: Generally, the experts found that most music-exposed cheeses had a milder flavor profile compared to the "control cheese" that sat in silence.
  2. The Hip-Hop Effect: The most significant discovery was that the cheese exposed to hip-hop music was consistently rated as the "fruitiest" and possessed the strongest smell and taste. This mirrored the findings of the original Bern University study.
  3. Blind Taste Tests: These results were further validated by expert cheese tasters who conducted blind taste tests, confirming that the hip-hop cheese was indeed the most distinct and flavorful of the group.

Future Implications

While the current results are based on sensory perception, the scientific investigation is far from over. Researchers are now moving toward a biomedical survey of the cheeses. This phase will involve looking at the microscopic and molecular structure of the cheese. If the music did indeed alter the chemical reactions during the ripening phase, it should be visible at the molecular level.

This whimsical yet grounded exploration highlights how sound—an invisible force—can potentially shape the physical world, turning the process of cheese-making into a truly harmonious endeavor. As Mindy demonstrates, whether it is through the rhythm of hip-hop or the steady hum of a specific frequency, the interaction between art and chemistry continues to offer surprising insights into the food we eat.

🎯Key Sentences

1
I think you broke my back.
2
I'm ready to go when you are.
3
I was just getting to the best part.
4
You can say that again.
5
I'm pretty certain I've never sang a love ballad to a ball of cheese before.
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📝Key Phrases

1
music to your ears
2
get on with the show
3
rock out
4
you can say that again
5
take it for a walk
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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