Cultural Evolution

How ideas spread, change, and compete. Interactive models of transmission, mutation, and selection.

Begin
Chapter 1
Unbiased Transmission
Random copying and cultural drift. When there's no preference, chance alone shapes what survives.
Chapter 2
Cultural Mutation
Innovation and error. Ideas change from within—sometimes randomly, sometimes with direction.
Chapter 3
Biased Transmission
Content matters. When some ideas are more compelling, selection pressure emerges.