Early life experiences have a significant influence on adult health and aging processes in
humans. Despite widespread interest in the evolutionary roots of this phenomenon, very little …

Many male traits are well explained by sexual selection theory as adaptations to mating
competition and mate choice, whereas no unifying theory explains traits expressed more in …

Empathy is a complex, multi‐dimensional capacity that facilitates the sharing and
understanding of others' emotions. As our closest living relatives, bonobos (Pan paniscus) …

Understanding the affective lives of animals has been a long-standing challenge in science.
Recent technological progress in infrared thermal imaging has enabled researchers to …

Highlights•Chimpanzees produce pant hoots, a multiphase vocal utterance, during
displays.•Audience composition affects individual phase and overall call and …

Human adolescence is characterized by a suite of changes in decision-making and
emotional regulation that promote risky and impulsive behavior. Accumulating evidence …

In humans, puberty initiates a period of rapid growth, change, and formative
neurobehavioral development. Brain and behavior changes during this maturational window …

Although the gross morphology of the heart is conserved across mammals, subtle
interspecific variations exist in the cardiac phenotype, which may reflect evolutionary …

One way mammalian mothers support offspring is by intervening on their behalf when they
receive conspecific aggression. Maternal intervention protects offspring and facilitates …

Simple Summary In recent years, animal welfare scientists have focused on developing
novel approaches for improving the quality of life of chimpanzees living in zoos, sanctuaries …