The distinct reproductive roles of males and females, which for many years were
characterised in terms of competitive males and choosy females, have remained a central …

Conventional sex roles imply caring females and competitive males. The evolution of sex
role divergence is widely attributed to anisogamy initiating a self‐reinforcing process. The …

Humans possess an extraordinary capacity for cultural production, from the arts and
language to science and technology. How did the human mind—and the uniquely human …

Evolutionary theory is one of the most wide-ranging and inspiring of scientific ideas. It offers
a battery of methods that can be used to interpret human behaviour. But the legitimacy of this …

Sperm are produced in astronomical numbers compared with eggs, and there is good
evidence that sperm competition is the force behind the evolution of many tiny sperm …

Reproductive Biology of Teleost Fishes is the first integrated review of the reproductive
biology of the bony fishes, which are the most species-rich and diversified group of …

Women have consistently higher levels of disgust than men. This sex difference is
substantial in magnitude, highly replicable, emerges with diverse assessment methods, and …

Following Darwin's original insights regarding sexual selection, studies of intrasexual
competition have mainly focused on male competition for mates; by contrast, female …

Two very basic ideas in sexual selection are heavily influenced by numbers of potential
mates: the evolution of anisogamy, leading to sex role differentiation, and the frequency …

Chemical signals are omnipresent in sexual communication in the vast majority of living
organisms. The traditional paradigm was that their main purpose in sexual behaviour was to …