A Hunter-Gatherer's Guide to the 21st Century: Evolution and the Challenges of Modern Life

by Heather E. Heying

Science is a method that oscillates between induction and deduction—we observe patterns, propose explanations, and test them to see how well they predict things we do not yet know. We thus generate models of the world that, when we do the scientific work correctly, achieve three things: they predict more than what came before, assume less, and come to fit with one another, merging into a seamless whole.

Collective consciousness, an evolutionary innovation unlike any other, creates cognitive emergence.