Tag: Tuscany

Do Yeasts Survive the Winter in the Guts of Wasps?

By Veronique Greenwood | July 30, 2012 4:08 pm

wasp A social wasp emerging from its nest

Yeasts are handy little critters: they help produce the alcohol that make wine and beer so deliciously intoxicating. But how they manage to show up on grapes in vineyards year after year, despite freezing winters when there is little for them to eat, is a bit of a mystery. Scientists thought birds could be keeping the yeasts in their guts through the winter, then sprinkling them (ahem) through vineyards in the spring, but turned out the microorganisms couldn’t survive that long in birds.

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CATEGORIZED UNDER: Living World
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