Social norms are the glue that holds society together, yet our knowledge of them remains
heavily intellectually siloed. This article provides an interdisciplinary review of the emerging …

Attachment bonds are a defining feature of mammals. A conceptual framework on human
attachments is presented, integrating insights from animal research with neuroimaging …

There is now substantial evidence that larger income differences in a society increase the
prevalence of most of the health and social problems that tend to occur more frequently …

The evolution of social monogamy has intrigued biologists for over a century. Here, we show
that the ancestral condition for all mammalian groups is of solitary individuals and that social …

The biological mechanisms underlying long-term partner bonds in humans are unclear. The
evolutionarily conserved neuropeptide oxytocin (OXT) is associated with the formation of …

In The Gardener and the Carpenter, Alison Gopnik, one of the world's leading child
psychologists, illuminates the paradoxes of parenthood from a scientific perspective and …

ABSTRACT The Triangular Theory of Love (measured with Sternberg's Triangular Love
Scale–STLS) is a prominent theoretical concept in empirical research on love. To expand …

Despite a long history of study, consensus on a human-typical mating system remains
elusive. While a simple classification would be useful for cross-species comparisons, across …

Although common in birds, social monogamy, or pair-living, is rare among mammals
because internal gestation and lactation in mammals makes it advantageous for males to …

The Primate Origins of Human Nature (Volume 3 in The Foundations of Human Biology
series) blends several elements from evolutionary biology as applied to primate behavioral …