Science ❯ Evolutionary Biology

Natural Selection

Sexual Selection Genetic Variation Adaptation Genetic Adaptation Behavioral Traits Human Traits Positive Selection Predator-Prey Interactions

Bipedalism and Brain Expansion Explain Why Most Humans Are Right‑Handed

A cross-species analysis finds upright walking followed by brain growth drove the shift to a population-level right-hand bias.

Denisovan-Derived MUC19 Variant Rose in the Americas, Study Finds

Most Primate Societies Lack Fixed Sex-Based Dominance