How Evolution Made the Mind
Evolutionary psychology asks whether humans are general-purpose learners or have Pleistocene-shaped psychological adaptations.
February 2025
January 2025
The Norm of Reciprocity: Why Gifts Create Debts and Favors Create Obligations
In 1971, Dennis Regan had a confederate give subjects a Coke during a break in an experiment.
August 2024
Why Humans Cooperate: The Evolutionary and Game-Theory Foundations
Why do humans cooperate at unprecedented scales? The science of kin selection, reciprocal altruism, Axelrod's tournaments, altruistic punishment,...
February 2024
Why We Have Emotions: The Evolutionary and Neurological Science Behind Feeling
Emotions are not irrational noise interfering with clear thinking — they are action-readiness states shaped by evolution.
January 2024
What Is Evolutionary Psychology? The Adapted Mind and Its Controversies
A rigorous introduction to evolutionary psychology: its intellectual foundations in Cosmides and Tooby, core findings on kin selection and mate...