While it might be collectively desirable to become sedentary, this doesn’t mean that it will necessarily happen. A mobile group of hunter-gatherers would have to agree to do this, or someone would have to force them. Some archaeologists have suggested that increasing population density and declining living standards were key factors in the emergence of sedentary life, forcing mobile people to stay in one place. Yet the density of Natufian sites is no greater than that of previous groups, so there does not appear to be evidence of increasing population density. Skeletal and dental evidence does
...more
