Do lagers have South American roots?
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Eryn Brown reports that scientists searching for the origins of the special yeasts needed to make lager beers, which are fermented at much lower temperatures than others, turned up an intriguing clue recently -- a type of wild yeast that is 95% identical to the hybrid commercial yeast used today. The only problem? It comes from Argentina, and while lager beers have been brewed since the early 1400s, Columbus didn’t open South America to Europeans until nearly 100 years later.
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