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Absolutely — here is a **student revision explainer** you can use as a podcast script or study summary. It focuses on the core idea, then shows where **grooming, language, ecology, and intelligence** fit in. The classic version of the social brain hypothesis argues that primate brains grew mainly to handle complex social life, while newer work says ecological demands and language-related communication also matter. [cognitionandculture](https://cognitionandculture.net/wp-content/uploads/Evolution