CTA workers compete against each other to see who is the best bus driver, train operator, mechanic and janitorial staff. The annual competition dates back to the early 1980s.
Listening to an outdoor concert is a typical Chicago summer activity. But hearing that concert a few neighborhoods away? We look at how sound travels in the city.
Many cities around the country once had a so-called ugly law that targeted poor and disabled people. Chicago’s law stayed on the books until the 1970s.
In the 1920s, young women working at a radium dial company in Ottawa, Illinois were being poisoned. Surviving "radium girls" would go on to participate in studies at Argonne National Laboratory.
Soccer is popular in Chicago, but it falls behind the popularity of sports like football, baseball and basketball. But in the 1920s, the popularity of soccer rivaled that of baseball.
Cook County has a lot of artificial lakes. Many of them were once large pits left behind by major construction projects. Now, they serve as habitats for wildlife and recreation for residents.