Because of this, exponential growth may apply to populations establishing new environments, during transient, favorable conditions, and by populations with low initial population density.

A new study found that the warming climate may be partially responsible for Boston’s increasing rat population.

This article was originally published with the title “ Population Density and Social Pathology ” in Scientific American Magazine Vol. 206 No. 2 (February 1962), p. 139 doi:10.1038 ...