Grooming, Gossip and the Evolution of Language

Did mankind evolve unusually large brains simply in order to gossip? Primates differ from other animals by the intensity of their social relationships, by the amount of time they spend grooming one another. Not just a matter of hygiene, grooming is all about cementing bonds, making friends and influencing your fellow ape. Early humans, in their characteristic large groups of 150 or so, would have ...