In this episode of Mike’s Nerd Bytes, we chill out with the story of Mary Engle Pennington, the scientist who made refrigeration and food safety standard practice — and the surprising New Jersey connection that helped her work spread.

From battling food-borne illness to inventing the “cold chain” that keeps milk, meat, and even vaccines safe, Pennington’s story proves that science saves lives.

What You’ll Learn in This Episode:

The food safety crisis of the early 1900s.

How Mary Pennington’s cold chain revolution began.

New Jersey’s key role in distributing safe food to millions.

How her work still affects your daily life.

Fun, nerdy facts about refrigeration history.

Perfect For:
Foodies, science buffs, history nerds, and anyone who’s grateful for a working refrigerator.

LINKS

THE FULL ICE CREAM TRUCK SONG

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Keywords: Science podcast, tech podcast, fun facts, quirky history, inventions, discoveries, science history, educational podcast, STEM, learning while laughing, short podcast, geek culture, bite-sized learning

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