Stuff You Missed in History Class

There are multiple contenders when it comes to the question of who invented the traffic light. This episode looks at a few of the moments in traffic light history that got us to where we are today, as well as what made them a necessity in the first place.  Learn more about your ad-choices at

Today we reach back to our 2015 episode on Diogenes of Sinope, the father of the Cynicism school of philosophy. He was also an incredibly eccentric figure who spoke out against pretense, and he used humor to convey his ideals Learn more about your ad-choices at

We’re finishing out our two-parter on thalidomide. This episode covers the response, including criminal trials, changes to drug laws, and debates about the legality of abortion, and how this has continued to evolve for thalidomide survivors until today.   Learn more about your ad-choices at

Thalidomide has been described as the biggest man made medical disaster of all time. This first part covers what thalidomide is, the animal testing that lead its manufacturer to market it as safe, and its release into the market. Learn more about your ad-choices at

Today revisits a 2012 episode from previous hosts Sarah and Deblina. After a childhood spent roaming Europe, Freya Stark began saving money to take Arabic lessons. Once fluent, she traveled into areas few outsiders had ever been, documenting her travels in best-selling books.  Learn more about your ad-choices at