![Radiolab show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/075/small/wnyc-s-radio-lab.jpg)
Summary: <p>Writer Ian Frazier made a startling discovery several years ago in eastern Siberia: no one he met there had ever heard of tic tac toe. In this short, Jad and Robert wonder how a game that seems carved into childhood DNA could be completely unknown in some parts of the world.</p>