Preservation: Chuno and Shelf Stability

Potatoes are amazing. While these sturdy little tubers may not seem immediately impressive, they're one of agricultural's biggest success stories. So, how did they grow from a domestic crop in South America to an absolute global phenomenon? In the first part of this special two-part series, Ben, Noel and Max discover the origin of the potato -- and how a single French pharmacist launched a massive PR campaign to popularize spuds in Europe.

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