Jeff C. Kunins

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We humans can digest starch. Yeasts can’t. Without simple sugars, there’s no fermentation, and without fermentation there’s no alcohol. So this is where yeasts, tricky little bastards that they are, have managed to teach us a few tricks. Remember those dogs acting all juvenile and cute in return for easy meat and a place at the fire? Yeasts learned to roll over and play fetch, too—in return for access to sugars they couldn’t get at on their own. We learned to break apart the complex sugar polymers in grain so we could feed them to a fungus. We domesticated yeasts; yeasts domesticated us.
Proof: The Science of Booze
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