McKenna lays out the Stoned Ape hypothesis -- that psilocybin ingestion shaped early human evolution by suppressing dominance hierarchies, strengthening communal bonds and sharpening hunting -- and describes Food of the Gods as a Trojan horse left on the doorstep of anthropology. Released from Esalen's archive as an EXCERPT of a longer August 1992 Esalen talk.

Reality and Its Transcendental Supplement. Talk given at the conference “Parallax. The Dependence of Reality on Its Subjective Constitution” at the Munich School of Philosophy, Germany.