Archaeological, dietary, and social proof level to “steady fire-use” no much less than 1.5 Mya. Fire, fueled with wood and charcoal, allowed early humans to prepare dinner their food to increase its digestibility, improving its nutrient value and broadening the variety of foods that might be eaten. The cooking hypothesis proposes that the power to cook promoted an increase in hominid mind measurement, although some researchers discover the proof inconclusive. Archaeological proof of hearths was dated to 790 kya; researchers consider this is likely to have intensified human socialization and should have contributed to the emergence of language.
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