Who takes risks, and why? Does risk-taking in one context predict risk-taking in other
contexts? We seek to address these questions by considering two non-independent …

Abstract Contribution to Special Issue on Fast effects of steroids. It is well documented that
testosterone concentrations change rapidly within reproductively relevant contexts (eg …

Where did we come from? What is our connection with other life forms? What are the
mechanisms of mind that define what it means to be a human being? Evolutionary …

Modern attitudes to meat in both men and women reflect a strong meat-masculinity
association. Sex differences in the relationship between meat and masculinity have not …

Across cultures, taller stature is linked to increased social status, but the potential reasons
why this should be are unclear. One potential explanation is that taller individuals are more …

The field of personality psychology aspires to construct an overarching theory of human
nature and individual differences: one that specifies the psychological mechanisms that …

People differ in their willingness to take risks. Recent work found that revealed preference
tasks (eg, laboratory lotteries)—a dominant class of measures—are outperformed by survey …

Why are some people motivated to circulate hostile political information? While prior studies
have focused on partisan motivations, we demonstrate that some individuals circulate …

How is an altruistic act favored by natural selection if it incurs a cost to the actor? As the
behavior would have a detrimental impact on the actor's reproductive success, the genes …

The emotion disgust motivates costly behavioral strategies that mitigate against potentially
larger costs associated with pathogens, sexual behavior, and moral transgressions …