After the manure is processed in the digester, liquid waste enters an aeration bin, where it is treated for ammonia and other pollutants.

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The biggest change that happens with aeration is the mellowing of the tannins, and younger and more tannic wines need the most help.

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Because the snacks differed in aeration and, therefore, volume, the Puffs group ended up taking in 73% more food, but 21% fewer calories.

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Old Rieslings, white Rioja and young Chardonnay all improve with aeration.

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