(Listen to this post, or right-click to download mp3.) "All species expand as much as resources allow and predators, parasites, and physical conditions permit. When a species is introduced into a new ...

We seem fascinated by generations, using them to evoke shared experiences and to push us apart. Demography, the science of population change, defines a cohort as a group of people born at roughly the ...

IN this book, Dr. Flugel analyses with acumen the emotional resistances to accepting the doctrine of Malthus, and appears to come down on the side of neo-Malthusianism. His psychological approach is ...