The following is an edited excerpt.
Was there a single trigger that kickstarted the human revolution?
Undoubtedly genetic mutation played a part. But did those mutations occur before the revolution started or after? In a paper published in Science [May 24th], Simon Fisher at Max Planck Institute for Psycholinguistic, Netherlands and Matt Ridley, formerly a science journalist, try to answer the question.
Read the full article here: What makes us human: genetics, culture or both?