A major feature of life in groups is that individuals experience social stressors of varying
intensity and type. Social stress can have profound effects on health, social behavior, and …

Half a century has passed since the first report of the influence of odors on mice. Odors are
known to influence behavior (signaling effect) and affect the physiology (primer effect) of …

Why do some people strive for high status, whereas others actively avoid it? In the present
studies, the authors examined the psychological and physiological consequences of a …

The associations between social status and endogenous testosterone and corticosterone
have been well-studied across taxa, including rodents. Dominant social status is typically …

Background Ejaculates contain a diverse mixture of sperm and seminal fluid proteins, the
combination of which is crucial to male reproductive success under competitive conditions …

Polyandry generates selection on males through sperm competition, which has broad
implications for the evolution of ejaculates and male reproductive anatomy. Comparative …

In promiscuous species, male reproductive success is determined by the interaction
between the ability to access and choose females of the highest reproductive quality and …

Administration of 50 μg of bisphenol A (BPA) for the first 5 days after birth resulted in a
decrease in the percentage of moving sperm, and an increase in the incidence of malformed …

Social competence-the ability of animals to dynamically adjust their social behavior
dependent on the current social context–is fundamental to the successful establishment and …

Social vigilance is a behavioral strategy commonly used in adverse or changing social
environments. In animals, a combination of avoidance and vigilance allows an individual to …