Cultural evolutionists have long been interested in the problem of why fertility declines as
populations develop. By outlining plausible mechanistic links between individual decision …

Trade-offs and constraints are inherent to life, and studies of these phenomena play a
central role in both organismal and evolutionary biology. Trade-offs can be defined …

Decades of research on human fertility has presented a clear picture of how fertility varies,
including its dramatic decline over the last two centuries in most parts of the world. Why …

Interest in incorporating life history research from evolutionary biology into the human
sciences has grown rapidly in recent years. Two core features of this research have the …

Life history theory has become a prominent framework in the evolutionary social sciences,
and the concept of trade-offs, the cornerstone of life history theory in studies on non-human …

Using data from the first Census data set that includes complete measures of male biological
fertility for a large-scale probability sample of the US population (the 2014 wave of the Study …

Animals are born, mature, reproduce, age, and die. These are the milestones; the rest are
details. Some species complete this cycle in days, others over centuries. Some mature fast …

Humans are shaped by evolution through natural selection, as are all species. While
evolution is central to all biological processes, the key stage for competition and selection is …

There is considerable variation in health and reproductive behaviours within and across
human populations. Drawing on principles from Life History Theory, psychosocial …

Within evolutionary psychology, a dominant assumption is that adaptive variation in fast
versus slow life history strategies centrally includes variation in sociosexual orientations …