Dancing may have similar effects, he says, and — like singing — is thought to have been an important part
of early human societies.
The more strongly we identify with a particular group, the more vehemently we defend its members and ideals — a trait that experts think evolved along
with early human society.
Until recently,
early human societies were thought to be patrilineal too — which should decrease the chances of cooperative breeding.
An exhibition charting the development of art in South Africa, from the creations of
early human society to examples of contemporary work.