Robin Dunbar: Circles of Friendship
Clear+Vivid with Alan Alda
00:00
How to Make and Keep Friends in Monkeys
Grooming has a lot to do with making and keeping friends. Stroking, caressing and hugging are essentially the same as grooming. We still use grooming much, much more than we realize. This sort of use of physical touch in conversation just goes on all the time.
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