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Chip Chick on MSNEvidence Of 8,000-Year-Old Bone Powder Cooking In China Proves It Was An Important Survival StrategyAt the Xielaozhuang (XLZ) site in the Henan province of North China, archaeologists identified some of the earliest forms of ...
Since the first farmers tilled the soil more than 10,000 years ago, the plow has been the essential tool of human survival.
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