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Why Humans Have Such Big Brains (No, it's not Because of our Intelligence)

Keen On America

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The Evolutionary Journey of Mind and Communication

This chapter explores the intriguing transition from cell biology to neuroscience, shedding light on how bacteria influence the evolutionary paths of larger organisms. It discusses the intricate relationship between brain evolution, language, and social interaction, particularly in the context of early mammals overcoming environmental challenges. Additionally, the chapter questions the connection between brain size and intelligence, emphasizing that social structures may play a pivotal role in cognitive development.

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