WIRED UK
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23rd August 2011
Geneticists discover the 500-year-old yeast that gave us lager
Geneticists have discovered the wild yeast that is believed made possible cold-temperature fermentation -- and the creation of the first lager beers.
class="Apple-style-span">Proceedings of the National Academy of Sciences](https://www.pnas.org/content/early/2011/08/17/1105430108), researchers from Portugal, Argentina and the USA, have announced the discovery of a yeast, which they claim travelled across the Atlantic in, possibly, the belly of a fruit fly or on a piece of wood, to fuse with a d