The challenge of studying human cognitive evolution is identifying unique features of our
intelligence while explaining the processes by which they arose. Comparisons with …

Citizen science (CS) has evolved over the past decades as a working method involving
interested citizens in scientific research, for example by reporting observations, taking …

The current study investigates whether there are statistically independent age-related
influences on the canine cognitive structure and how individual factors moderate cognitive …

Highlights•We assessed individual differences in cognition in dogs, chimpanzees and
human infants.•Dogs and humans exhibited similar patterns of correlation in social cognitive …

Across mammals, increased body size is positively associated with lifespan. However, within
species, this relationship is inverted. This is well illustrated in dogs (Canis familiaris), where …

Working dogs play a variety of important roles, ranging from assisting individuals with
disabilities, to explosive and medical detection work. Despite widespread demand, only a …

Large-scale phylogenetic studies of animal cognition have revealed robust links between
absolute brain volume and species differences in executive function. However, past …

Trait heritability is necessary for evolution by both natural and artificial selection, yet we
know little about the heritability of cognitive traits. Domestic dogs are a valuable study …

Highlights•We assessed cognitive and temperament traits in 8-to 10-week-old
puppies.•Puppies reliably used cooperative-communicative gestures.•Puppies differentiated …

As the most phenotypically diverse mammalian species that shares human environments
and access to sophisticated healthcare, domestic dogs have unique potential to inform our …