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  • ...e complexities of relationships. At 150, Dunbar speculated that 42% of the group's time would need to be devoted to [[wikipedia:Social_grooming|social groom ...advantage over a band that could only have coherence at 80, so there was a group selection advantage. There was an evolutionary benefit of forming larger ne
    73 KB (11,318 words) - 10:11, 10 March 2024