Demography is the study of human populations, past, present and future. It is concerned with how births, deaths, and migration determine change, and so determine key trends such as rapid population ...
Other populations have become cloistered thanks ... a now-extinct group of human ancestors who originated in Asia. But after that initial meet-up, Papua New Guineans became genetically isolated ...
The second, larger wave began 10,000 years ago as the discovery of agriculture caused a population boom and a need to plow wildlife habitats, divert streams, and maintain large herds of domestic ...
This article was originally published with the title “ The Urbanization of the Human Population ” in Scientific American Magazine Vol. 213 No. 3 (September 1965), p. 40 doi:10.1038 ...
"And then we found this positive effect of human population density on survival time. Both of those things are unexpected because we usually associate human activity with detrimental effects on ...
The graph shows that the human population is growing. This is because the birth rate is much greater than the death rate. In the last fifty years, the population of humans on the planet has ...
“And then we found this positive effect of human population density on survival time. Both of those things are unexpected because we usually associate human activity with detrimental effects on ...