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Feb 2025
8m 25s

Collagen's dirty secret — and its clean ...

TED
About this episode
From cosmetics to nutrition, collagen is seemingly everywhere — but we don't often discuss its ethically questionable sources, says chemical engineer Fei Luo. She delves into the groundbreaking technology that uses genetically modified yeast to brew animal-free collagen, a process that could pave the way for a functional, tasty and harm-free future for this crucial protein.

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