Nels and Vincent trace the origins of Saccharomyces cerevisiae strains used to make beer, and find that ales and lagers are made with yeasts that were derived from those used to make European grape wine and Asian rice wine.
Hosts: Nels Elde and Vincent Racaniello
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Nels - Population fluctuations in 10 biggest cities
Vincent - 1.7 million year old rhino tooth (original Nature paper)
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