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"Economic man" in cross-cultural perspective: behavioral experiments in 15 small-scale societies.
Researchers from across the social sciences have found consistent deviations from the predictions of the canonical model of self-interest in hundreds of experiments from around the world. ThisExpand
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Costly Punishment Across Human Societies
Recent behavioral experiments aimed at understanding the evolutionary foundations of human cooperation have suggested that a willingness to engage in costly punishment, even in one-shot situations,Expand
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Human adaptations for the visual assessment of strength and fighting ability from the body and face
Selection in species with aggressive social interactions favours the evolution of cognitive mechanisms for assessing physical formidability (fighting ability or resource-holding potential). TheExpand
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Markets, Religion, Community Size, and the Evolution of Fairness and Punishment
A Fair Society Many of the social interactions of everyday life, especially those involving economic exchange, take place between individuals who are unrelated to each other and often do not knowExpand
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Genetic traces of ancient demography.
Patterns of gene differences among humans contain information about the demographic history of our species. Haploid loci like mitochondrial DNA and the nonrecombining part of the Y chromosome show aExpand
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Growth rates and life histories in twenty‐two small‐scale societies
This study investigates variation in body growth (cross‐sectional height and weight velocity) among a sample of 22 small‐scale societies. Considerable variation in growth exists amongExpand
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Longevity Among Hunter‐ Gatherers: A Cross‐Cultural Examination
Post-reproductive longevity is a robust feature of human life and not only a recent phenomenon caused by improvements in sanitation, public health, and medical advances. We argue for an adaptive lifeExpand
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To give and to give not: The behavioral ecology of human food transfers
The transfer of food among group members is a ubiquitous feature of small-scale forager and forager-agricultural populations. The uniqueness of pervasive sharing among humans, especially amongExpand
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Natural Sleep and Its Seasonal Variations in Three Pre-industrial Societies
How did humans sleep before the modern era? Because the tools to measure sleep under natural conditions were developed long after the invention of the electric devices suspected of delaying andExpand
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An epigenetic clock analysis of race/ethnicity, sex, and coronary heart disease
BackgroundEpigenetic biomarkers of aging (the “epigenetic clock”) have the potential to address puzzling findings surrounding mortality rates and incidence of cardio-metabolic disease such as: (1)Expand
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