WORK
The Dragons of Eden
Sagan's Pulitzer Prize-winning 1977 exploration of the evolution of human intelligence — containing the thesis that mind is a consequence of its anatomy and physiology and nothing more, with a corollary Sagan did not live to see tested at AI scale.
The Dragons of Eden: Speculations on the Evolution of Human Intelligence, published in 1977, won the Pulitzer Prize for General Nonfiction and introduced the cosmic calendar as a tool for grasping the scale of cosmic time. The book traces the evolution of intelligence from early neural chemistry through the triune brain to the symbolic capabilities that emerged in human ancestors roughly seventy thousand years ago. Its thesis — that mind is a consequence of its anatomy and physiology and nothing more — carries a corollary the Sagan volume treats as central: if mind is matter organized with sufficient complexity, the question of what other substrates might support analogous organization is not philosophical speculation but an empirical research program.
In The You On AI Field Guide
The book's final chapter speculates on a future involving the merging of human cognition with computational systems — what Sagan saw as