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This course covers evolutionary psychology: the scientific study of human nature, based on the biological principles of evolution through natural selection, sexual selection, social selection, multilevel selection, and cultural development. We will analyze human psychological adaptations for finding food, avoiding predators and pathogens, attracting and choosing mates, competing for status, sustaining relationships, raising children, helping relatives, trading goods and services, and signaling traits and virtues. We will learn why humans evolved our amazing abilities for language, intelligence, creativity, art, music, humor, group cooperation, compassion, and heroism. Evolutionary psychology can help us understand sex differences, cross-cultural differences, and individual differences in intelligence, personality traits, and mental health. It can illuminate modern issues in emotions, ethics, romance, sexuality, family life, careers, consumer behavior, existential risks, and humanity’s long-term future.