Diet and the Evolution of the Human Brain

The evolution of the human brain has always been shrouded in mystery. This is because the organ tripled in size over the course of nearly seven million years, a pace of evolution that is unheard of in the natural world. Most of this growth occurred in the past two million years, during which time the…View Post

A Critique of Terence McKenna’s ‘Stoned Ape Theory’

In his book Food of the Gods (1992), Terence McKenna describes one of his many controversial ideas. This idea, known as the ‘Stoned Ape Theory’, relates to how our ancestors evolved to produce language and create art. In a nutshell, the Stoned Ape Theory says that magic mushrooms sped up the evolutionary process and that, ultimately,…View Post