– by Diego Guevara Beltran English Imagine you live in a small community where food is often scarce; storms, droughts, pests, and fires can destroy crops, disease and injuries can keep you from working, and help is often the difference between getting by and going hungry. Every day, you face decisions about cooperation: Whom should […]
– by James R. Roney A lot of research has investigated shifts in women’s psychology and behavior across different phases of the menstrual cycle. One pattern that has emerged in multiple studies is an increase in sexual desire during the “fertile window,” which is defined as the cycle days when unprotected intercourse can lead to […]
– by Dražen Domijan Agent-based simulations offer valuable insights into processes that are difficult or impossible to observe directly. They enable systematic variation of relevant factors and examination of their influence on the behavior of simulated agents. For example, one can examine and compare how the same trait evolves under favorable conditions in an environment […]
– by Edgar Dubourg and Coltan Scrivner What is it about some stories and situations that make them more effective at evoking fear? One way to answer this is to reverse engineer the emotion of fear. Our ancestors would have come across a number of hostile people and animals throughout their lives. Quickly computing the […]
– by Thomas Felesina The male nipple is a classic conversation starter (at least in the evo biology faculty lounge). The nipple is a feature that is functional and essential for reproductive success in females,[1] yet non-functional in males, perhaps decorative at best. We don’t spend much time agonizing over the “evolutionary function” of the […]
– by Juan Du Quick question: If something went wrong tonight and you needed help fast—someone to watch a child, lend money, give you a ride—who comes to mind first: a friend, your own family, or your partner’s family? And if you asked your partner, would they choose the same side? People sometimes tease that […]
– by Martina Francesconi & Elisabetta Palagi Sex is often thought of as a purely physical activity, driven by movements, touch, and physiological arousal. Yet in humans, sexual interactions are also deeply communicative. Eye contact, facial expressions, and subtle emotional cues shape how partners experience intimacy, influencing feelings of pleasure, connection, and satisfaction. Nonverbal communication, […]
The Future of HBES Committee was formed to identify key challenges and opportunities facing the Human Behavior and Evolution Society, and to develop strategies to ensure that HBES remains the intellectual home for scholars of evolutionary behavioral science. As part of this effort, we will be holding several small focus groups to hear perspectives from […]
HBES members now have full electronic access to current and archived (since 1998) volumes of Evolution and Human Behavior (http://www.ehbonline.org/). Your institution need not subscribe. However, due to our contract with Elsevier, the procedure to access the journal via your HBES membership has changed. You must now access EHB via the HBES.com website. Go to […]
The Department of Social and Behavioral Sciences (SBS) at the Toulouse School of Economics (TSE) offers jobs for Postdoctoral Researchers with a PhD in psychology, cognitive science, anthropology, or related disciplines. Two 2-year positions, fully based in Toulouse (fixed-term contract; full-time basis) Starting date: September 2026 and deadline for application: January 23, 2026 For more information, […]