Humans evolved to co-sleep, benefiting bonding and safety but with mixed effects on sleep quality. Cultural norms and individual needs influence bedsharing, which varies across life stages, with unclear long-term developmental or health impacts for children and adults.
A new study suggests that in certain contexts, altruism may have an evolutionary explanation rooted in romance.
Researchers found that while women's stress related to competition over social status and male attention decreases with age, it remains a significant predictor of disordered eating even in postmenopausal women.
New research has found that curviness, rather than waist-to-hip ratio, is a stronger predictor of a woman's body attractiveness, especially as body width increases. This suggests curviness better reflects perceived beauty across different body shapes.
A recent study in Deviant Behavior suggests that certain submissive behaviors in relationships may align with human evolutionary strategies designed to promote stability and loyalty.
People remember faces they matched with better than rejected ones. Short-term oriented, attractive individuals with higher mate value were more likely to match with attractive targets, reflecting memory biases and assortative mating on dating apps.
A new study suggests testosterone may heighten men’s sensitivity to friendly cues from women, but only among men with high self-perceived attractiveness.
Larger logos and vivid colors on men's luxury items make them seem more focused on short-term relationships and status through dominance, while subtle features signal long-term investment and cooperative social strategies.
Controlled fear experiences, like haunted houses and horror films, trigger adrenaline, offering a safe thrill while boosting dopamine. They reduce anxiety, strengthen social bonds, and help people build resilience by mentally preparing for real-life threats and challenges.
Venting can make listeners feel closer to the speaker and less favorable toward the target, but this effect only holds when the venting appears genuine and not driven by rivalry or personal competition.
Gossip framed as concern boosts the gossiper's social and romantic desirability while damaging the target’s reputation. This tactic helps gossipers avoid social penalties, revealing a subtle strategy in female competition for status and partners.
A new study sheds light on universal and culturally specific motives for beauty-enhancing behaviors, highlighting gender differences and influences like mate competition, social norms, and religion.
New research shows that fathers can recognize their own children by body odor with surprising accuracy.
A new study shows that men focus mainly on physical attractiveness in online dating profiles, while women consider both looks and financial stability. Interestingly, men paid more attention to less attractive women when they had high-paying jobs.
Recent research found that high-pitched female voices made men more likely to take risks, but only when they believed it would make them more attractive to women. If they thought women preferred cautious men, the effect was reversed.