Breakthroughs in imagination

When thinking about human history, it's tempting to see some developments as inevitable.  Some certainly were, but the sheer amount of time before some of them took place seem to make them remarkable. The human species, narrowly defined as Homo sapiens, is about 200,000 years old.  Some argue that it's older, around 300,000 years, others … Continue reading Breakthroughs in imagination