and human population growth (e.g., how fast will the ... have observed that the size of many populations fluctuates over time rather than remaining constant as logistic growth predicts.

Humans’ impact has been so profound that scientists have proposed that the Holocene era be declared over and the current epoch (beginning ... now are fundamentally different from those at any other ...

These data for the US human population suggest something general ... the estimate of the intrinsic rate of natural increase; over a short period of time, tends to decrease. This means that there ...

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 ...

In 1987, political scientist James Flynn of the University of Otago in New Zealand documented a curious phenomenon: broad intelligence gains in multiple human populations over time. Across 14 ...

This increase can be clearly seen in a graph of human population. Scientists are unsure whether this population increase will continue for ever. Some think that the human population will continue ...

This increase can be clearly seen in a graph of human population. better health care so people are living longer new medicines are being developed so people don’t die of previously fatal ...