An ancient yeast found clinging to pots at archaeological sites in Patagonia is the same strain used to brew lagers in Bavaria some 400 years later. The yeast isn't native to Europe, so the finding hints that trade with South America facilitated the first German blonde brews in the 16th Century.

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3. An ancient yeast found clinging to pots at archaeological sites in Patagonia is the same strain used to brew lagers in Bavaria some 400 years later. The yeast isn't native to Europe, so the finding hints that trade with South America facilitated the first German blonde brews in the 16th Century.