May 10 2025

Selects: How Ice Cream Works

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We all scream for ice cream, sure, but did you know we're all technically screaming about a colloidal foam? As you hit play on this classic episode, prepare for deep cravings that will surely emerge as you learn the history of ice cream, how to make it yourself and lots more.

AI Summary

# Episode Summary

In this episode of Stuff You Should Know, Josh and Chuck dive deep into the delicious history and science of ice cream, from ancient emperors sending runners to the mountains for snow to the complex chemistry that makes modern ice cream possible. They explore how ice cream evolved from a luxury treat for royalty to an everyday indulgence, tracing its journey through 17th-century Paris cafes to American ice cream socials and the iconic 1904 World's Fair. The hosts break down the fascinating science behind what makes ice cream actually ice creamβ€”the colloids, emulsifiers, and precise manufacturing processesβ€”while sharing fun facts like how the sundae got its unusual spelling and why Ben and Jerry graduated from Penn State's ice cream course.


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