How Competition and Warfare Shaped Human Evolution
Evolutionary psychologist David Geary argues that human intelligence and large-scale cooperation developed alongside competition between groups, with technology helping communities gain resources and organize—and intensifying conflict over territory and survival. He reads the sharp loss of male lineages around 5,000 to 7,000 years ago as evidence of organized violence against men, and links that history to enduring differences in how men and women compete for status and influence.
Chris Williamson·Nov 5, 2026·19 min read
