CHAPTER 5. ENERGY AND TECHNOLOGY

CHAPTER 5. ENERGY AND TECHNOLOGY. 5.1. The enhancement of skin. A million years ago, in the mild environment of the inter-glacial periods, upright 2-legged proto-humans (hominids) began to roam the fields and forests of Africa, or East Asia, as foragers and collectors of seeds, nuts and fruit, with an occasional meat supplement when they encountered a recently killed beast and could scare away ... ................
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