What’s in a Word?

Next week, in the July issue of Scientific American, you can read a story I wrote about the fascinating archeological site of Teotihuacan. You may remember it as the Mexican site I wrote about in 2012 with an almost magical ability to draw in hippies. The story focuses on our growing understanding of the politics […]

The Mix-Up that Ended the World

The Pyramid of the Sun in Teotihuacán is not the biggest monument you can imagine. In fact, it’s dwarfed by the hills around it that it is meant to reflect. It’s cut into four levels, each of which is about the same as a couple flights of stair in a New York apartment building. But […]