0 0 This article was originally published with the title “Population of the Earth, in Diagram” in SA Supplements Vol. 39 No. 1006supp (April 1895), p. 16081 ...

Fifty years ago biologist Paul Ehrlich published ‘The Population Bomb,’ an apocalyptic warning that overcrowding would lead to wars and famine. Here’s what the book got right and wrong.

CNN analyzed the UN’s World Population Prospects data and spoke to experts to delve beneath the headline numbers at the detail surrounding India’s demographic shift.

Phase diagrams of cooperation ratios in population (IMAGE) Rissho University Caption x-axis represents the initial perfect defector ratio (η), and y-axis represents reputation cost (γ ).