Curious City - Deconstructing The Chicago-Style Hot Dog

Chicago-style hot dogs are a beloved culinary masterpiece: A snappy all-beef wiener, steamed poppy seed bun, yellow mustard, chopped onions, neon-green relish, two slices of tomato, a dill pickle spear, two sport peppers and a final whoosh of celery salt.

But how did that unique mix of ingredients come to be? In a special Curious City presentation, Chicago’s premier hot dog expert breaks down the history of each ingredient. It’s a tale of immigration to Chicago’s Maxwell street neighborhood a century ago. Click here for the full story.

Monica Eng is a WBEZ food and health reporter. Follow her at @monicaeng

50 Things That Made the Modern Economy - Robot

Robots threaten the human workforce, but their ubiquity and growing competence make them crucial to the modern economy. In 1961 General Motors installed the first Unimate at one of its plants. It was a one-armed robot resembling a small tank that was used for tasks like welding. Now, as Tim Harford explains, the world’s robot population is expanding rapidly (the robot “birth rate” is almost doubling every five years) and, coupled with rapid advances in artificial intelligence, robots are changing the world of work in unexpected ways. (Photo: Robot, Credit: Toru Yamanaka/Getty Images)