Oxygen is being used to treat sports injuries, diabetics, and cancer patients. Is it the new wonder drug or a bit of hot air? Paris Schutz has the story.

Marimba music fills a South Side church and creates opportunities for young musicians. We have the story.

A new study examines the lives of Chicago's richest 1 percent. We explore how they spend their money and the issues they hold dear.

Maggie Babiarz came to Chicago alone at age 16 from a small village in the Polish highlands. Today, she leads the Megitza Quartet, a Chicago band that plays an energetic mash-up of traditional and original music from eastern and southern Europe. Jay Shefsky has the story.

A new Illinois law makes it illegal to throw out most of your old electronics. Jay Shefsky tries to get rid of an outdated computer, as he finds out what everyone needs to know about recycling electronics.

Chicago was once a "meat and potatoes" town. Now it's home to some of the world's finest restaurants. We talk with the authors of a new book celebrating Chicago's classic restaurants.

A tiny, fingernail-sized organism that some are calling the scourge of the Great Lakes is fundamentally altering marine life. Ash-har Quraishi reports on a devastating invasive species that is causing ripples all the way up the food chain.

Nearly 75 years later, the legacy of Chicago favorite -- Maurice Lenell cookies -- lives on. Ash-har Quraishi reports.

What does a gothic chapel in downtown Chicago have to do with Wrigley Field and Comiskey Park?

Arguably one of the greatest engineering feats in history took place in Chicago. Over 100 years ago, the flow of the Chicago River was reversed. We talk with two authors who collected 22,000 photographs documenting the event.

We take a look at a small press in Champaign, Illinois that publishes everyone from Herman Melville to Aldous Huxley, and brings modern European fiction to the USA in Arts Across Illinois.

Chicago's Union Stockyards closed 40 years ago after handling more than a billion animals. We have some never-before-seen footage and interviews with workers on the last day.

Check Please! Host and Master Sommelier Alpana Singh joins us to talk about low-calorie holiday drinks, cost-effective champagne and hard ciders in Ask Alpana.