Processed Food: A 2-Million-Year History

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Processed Food: A 2-Million-Year History from Scientific America

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http://www.scientificamerican.com/article/processed-food-a-two-million-year-history/

Processed Food: A 2-Million-Year History
It is the dark force, we're told, behind the obesity epidemic, the death of the family farm and Tang. But humans have been “processing” food ever since we learned how to cook, preserve, ferment, freeze, dry or extract. Processed food has powered the evolution of the species, the expansion of empires, the exploration of space. Here are highlights

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