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Index/Topics/Sexual selection

Sexual selection

Biological theories, such as sexual selection, focus on possible links between penis size and body type.

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Jan 24, 2026
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Is the desire for domination in women influenced by biology or culture?

The emerges from an interaction of and : hormones, genetic and neurodevelopmental systems provide variability in dominance motivation, while socialization, norms, institutions and ecological context p...

Jan 7, 2026

Why do lions have manes?

Lions’ manes are best understood as a multifunctional trait shaped by sexual selection, male–male competition and environmental trade‑offs: manes signal male quality to females and rivals, can protect...