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Continue to ChatResearcher: humans "mastered fire" 790,000 years ago https://wildfiretoday.com/2009/02/28/researcher-humans-mastered-fire-790000-years-ago/
Researcher: humans "mastered fire" 790,000 years ago https://wildfiretoday.com/2009/02/28/researcher-humans-mastered-fire-790000-years-ago/