Robin Dunbar: How Many Friends Do You Really Need?

RNZ: Saturday Morning | 24 January 2020 | 0h 23m | Listen Later
Interview with Robin Dunbar about his work on human social networks behind the eponymous Dunbar’s number. Maintaining a friendship is cognitively demanding and our brains may be wired with a limit to the number of stable social relationships we can handle. Dunbar started his career studying African monkeys before turning his attention to less hairy hominids. His key discovery? That a primate’s brain size seems to dictate the size of their social networks and the number of relationships they can maintain.

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