Clothing, tailored from the fur and hides of hunted animals, helped humanity broaden into colder areas; humans began to migrateout of Africa by 200 ka and into other continents corresponding to Eurasia. The discovery and use of fire, a easy energy source with many profound uses, was a turning level in the technological evolution of humankind. Fire, fueled with wooden and charcoal, allowed early humans to cook dinner their food to extend its digestibility, enhancing its nutrient worth and broadening the variety of foods that might be eaten. The unfold of paper and printing to the West, as in this…

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