Silicon, the Stone Age, and the Periodic Table of Death and Mystery
“Evolutionary mismatch” is a concept developed in the field of evolutionary psychology. The concept postulates that human brains are wired for conditions that no longer exist. That “we have stone-age brains in modern environments,” and our primitive brains still drive our behaviors (1, 2). But what does it mean to have a “Stone Age” brain? You’ve probably heard the term Stone Age before, especially if you ever watched the Flintstones (3). It’s a dated term that applies to a period ~2.5 million to 5000 years ago, when humans made and used stone tools. It’s also when our brain size, structure, …






