On Friday, the Michigan Avenue Bridge will be renamed the DuSable Bridge. We learn just who Jean Baptiste Point DuSable was when we watch a clip of WTTW's award-winning documentary DuSable to Obama: Chicago's Black Metropolis.

It took nearly 60 years to complete, but the entire architectural works of Dankmar Adler and Louis Sullivan have been compiled into a new book, The Complete Architecture of Adler and Sullivan. We talk with two of its authors.

We take a look at how the science taking place at Chicago State University may revolutionize urban agriculture. Aquaponics at Chicago State University

A hungry insect is devastating Illinois' ash trees. Jay Shefsky introduces us to some researchers who are trying to understand the emerald ash borer--and find an ash tree that can co-exist with the pervasive pest. Comprehensive website about the Emerald Ash Borer Emerald Ash Borer in Illinois Morton Arboretum

How a local organization is turning an abandoned truck depot into an urban farm just minutes away from U.S. Cellular Field. Iron Street Farm Growing Power

Bed bugs are back! We find out why they are making a return and what you can do to protect yourself from them.

Perhaps one of Mayor Daley's legacies will be the abundance of bikes -- and bike paths -- in Chicago. One project for which he's long advocated is finally up and running: bike sharing. We show you how it could change public transportation...at least when the weather's nice. Chicago's bike sharing program

The recent oil leak in Romeoville is focusing the spotlight on oil pipelines in the Chicago region. Just how many are there, and how safe are they? Carol Marin and her guest have more.

Could Merchandise Mart be up for sale? That's a question that many are asking in light of a Crain's Chicago Business report. Kris Kridel joins us to separate fact from fiction and tells us what Merchandise Mart president Chris Kennedy has to say about the rumor.

An arcane football rule resulted in a lucky last-minute break for the Bears. We break down yesterday's game with Mike Adamle on our Bears Alumni Club.

Elizabeth defended her championship at the World Triathlon championships in Budapest, Hungary in a personal best time. Going against an international field, she beat the closest competitor in her group by more than 6 minutes. Congratulations Elizabeth!

A federally funded joke machine? We talk with the Northwestern professor behind the controversy that's garnered national attention.

We learn about the breakthroughs -- and setbacks -- in recent Alzheimer's research. Alzheimer's Association website

Elizabeth Brackett takes a look at the Senate investigation of for-profit colleges.

A displaced alligator was captured today in the north branch of the Chicago River. We talk with a reptile wrangler to find out how the gator got there, and where it's going. Chicago Herpetological Society

Some Chicago environmentalists want to turn down the external lights at night so that we can see something we haven't seen in years -- the stars. We show you how they say it can happen.