Recent work has documented a wide range of important psychological differences across
societies. Multiple explanations have been offered for why such differences exist, including …

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 …

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 …

" Are humans violent or peaceful by nature? We are both. In this ambitious and wide-ranging
book, Agner Fog presents a ground-breaking new argument that explains the existence of …

Humans, like other animals, typically discount the value of delayed rewards relative to those
available in the present. From an evolutionary perspective, prioritising immediate rewards is …

Despite the tendency of some academic disciplines to assume that the nuclear family is
normative, the family takes a number of different forms cross-culturally. Regardless of family …

We quarrel over trivial things, as families do. When I come home from the office, in a country
where the sun sets before four in the afternoon wintertime, I like to turn on all the lamps, a …

A substantial theoretical and empirical literature suggests that stressful events in childhood
influence the timing and patterning of subsequent sexual and reproductive behaviors …

In the 50th anniversary edition of Population Studies, John Hobcraft commented that
demographers spend too little time trying to explain the phenomena they measure and …