Sex equality can explain the unique social structure of hunter-gatherer bands

Amazonian horticulturalists live in larger, more related groups than hunter–gatherers

(2014) Robert S. Walker   EVOLUTION AND HUMAN BEHAVIOR

An experimental demonstration of the effect of group size on cultural accumulation

(2014) Marius Kempe et al.   EVOLUTION AND HUMAN BEHAVIOR

Hunter-Gatherer Inter-Band Interaction Rates: Implications for Cumulative Culture

(2014) Kim R. Hill et al.   PLoS One

Variation in Male Reproductive Longevity across Traditional Societies

(2014) Lucio Vinicius et al.   PLoS One

High mobility explains demand sharing and enforced cooperation in egalitarian hunter-gatherers

(2014) Hannah M. Lewis et al.   Nature Communications

The evolutionary origin of human hyper-cooperation

(2014) J. M. Burkart et al.   Nature Communications

Lethal Aggression in Mobile Forager Bands and Implications for the Origins of War

(2013) D. P. Fry et al.   SCIENCE

Cooperative breeding and maternal energy expenditure among aka foragers

(2012) Courtney L. Meehan et al.   AMERICAN JOURNAL OF HUMAN BIOLOGY

Social networks and cooperation in hunter-gatherers

(2012) Coren L. Apicella et al.   NATURE

Co-Residence Patterns in Hunter-Gatherer Societies Show Unique Human Social Structure

(2011) K. R. Hill et al.   SCIENCE

Cooperative breeding in South American hunter-gatherers

(2009) K. Hill et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES