Human society has changed much over the last centuries and this process of "modernization" has profoundly affected the lives of individuals; currently we live quite different lives from those forefathers lived only five generations ago. There is difference of opinion as to whether we live better now than before and consequently there is also…

I have adopted complementary approaches to inferring human demographic history utilizing human and non-human genetic data as well as cultural data. These complementary approaches form an interdisciplinary perspective that allows one to make inferences of human history at varying timescales, from the events that occurred tens of thousands of years…

Man can aspire to control his evolution and direct it towards goals which he finds good, salutary, worth living for....The one most 'natural' thing for man is to modify nature by means of his knowledge." (Author/AL)

Suggests that overproduction of offspring by early human populations would have tended to work to the selective disadvantage of the entire society. Decisions regarding population limitations have been highly personal ones based on the amount of short run effort that individuals were able and willing to invest in each child. (GS)

Man must assume responsibility for his own survival.'' Human societies, acting together, must use new technologies for constructive purposes, and avoid their use for the destruction of society, or for irreversible degradation of the environment.'' (Author/AL)

Illustrates an account of the University of Illinois Programmed Logic for Automatic Teaching Operations (PLATO) system of individualized instruction by describing four undergraduate topics. (AL)