An illustration of prehistoric painters at work in the Lascaux Caves in modern-day France. (Dea Picture Library / De Agostini via Getty Images) Since the very dawn of humanity, the sudden appearance of new technologies has had profound — yet not immediately obvious — social consequences. As the way we live changes, so do we. Sometimes, profoundly so.
For example, the brains of Homo sapiens everywhere on Earth are smaller now than they were 300,000 years ago. One of several competing explanations of this phenomenon is the theory that the emergence of language and the distribution of knowledge across society […]
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