The present paper discusses the long-run effects of two interdependent relations between economic and population growth. According to a frequently used formulation of the population-push hypothesis, ...

Counterfactual population projections have been used to estimate the contributions of fertility and mortality to population ageing, a method recently designated as the gold standard for this purpose.

There are three major ways by which the rate of genetic drift can be modelled in the simplest type of population: increase in variance of allele frequencies; approach to identity by descent of all ...

Metabolic rates can determine how much food an organism needs and how quickly it can convert that food into growth. Scientists have long suspected the reason mice populations grow faster than elephant ...

(Santa Barbara, Calif.) –– Analyzing a single species in a food web is easier than it appears to be, according to scientists publishing in this week’s issue of Nature. Many species are generalist ...

In a tweet on Friday, Elon Musk doubled down on his theory that the global population will be in decline by 2050. The Tesla and SpaceX CEO first backed the theory in 2017 in response to a New ...

The passenger pigeon is famous for the enormous size of its historical population and for its rapid extinction in the face of mass slaughter by humans. Yet it remains a mystery why the species wasn't ...

On 15 November 2022, the United Nations said the world population reached eight billion people. On the occasion of World Population Day, the UN Secretary-General António Guterres cited advancements in ...