The Illinois Department of Revenue has denied property tax exemptions for three hospitals for not doing enough to justify their exemptions. Ash-har Quraishi tells us which hospitals are affected and what prompted the move.

On Tuesday, Mayor Rahm Emanuel and Chicago Department of Public Health (CDPH) Commissioner Bechara Choucair, M.D., released a new Public Health Agenda—Healthy Chicago—the City’s first comprehensive public health plan.

A new study out today by Northwestern University's Feinberg School of Medicine diagnoses Chicago’s health, neighborhood by neighborhood. We speak with two of the report’s authors.

More and more medical providers in Chicago are switching their patient's paper records to electronic. But the conversion is giving some doctors headaches, and has some health officials alarmed. Paris Schutz has the story.

Daren Wendell swam across Lake Michigan this past weekend in a 36-hour, 50.6 mile journey to raise money for a great cause. He's here to talk with us about his amazing feat.

What do you get when you combine state of the art technology and role playing? Ash-har Quraishi takes us inside the simulation program at Northwestern University's Feinberg School of Medicine, where students are getting real-life medical experience in a virtual emergency room.

Can you imagine heading to a public building once or twice a week just to keep clean? Geoffrey Baer has more on the history of Chicago's bath houses in tonight's Ask Geoffrey.

The owner and executive chef of "Province" demonstrates some great summer recipes that won't require turning on the stove. More on the Story: Cool recipes for a hot summer More on Chef Randy Zweiban More on "Province" More on Green City Market

Henrietta Lacks died of cervical cancer in 1951. But her cells kept living, starting a scientific revolution and a multi-billion dollar industry. When members of her family found out, they felt angry and exploited. We revisit our recent conversation with the author of a best-selling book about the story.

If Chicago and Toronto have the same population, then why does Chicago have almost eight times the number of murders each year? WBEZ's Robert Wildeboer is here to help us find out.

How are Chicagoans dealing with this hot summer weather? Ash-har Quraishi braves the heat to gauge local reaction.

The heat wave is on and it won't let up! Why is this happening? Why is 2011 a year of major snow and sun? Eddie Arruza and our panel talk about the meteorology behind the extreme weather. More on Paul Sirvatka More on Gino Izzi Chicago Sun-Times article

Eliza Fournier of the Chicago Botanic Garden joins us with advice about taming your tomatoes and tips on how to manage your garden in the heat.

We see this week's heat wave through your eyes — and cameras—when we look at YouTube videos from the past few days. YouTube

The worst is on the way. As hot as it's been, even hotter temperatures will settle into the Chicago area tomorrow and Thursday. At times it could feel as hot as 110 degrees. Eddie Arruza reports on how the City of Chicago is preparing for what could be dangerous weather.

In tonight's Scientific Chicago, Jay Shefsky reports on the University of Chicago and Argonne National Laboratory's collaboration to create sophisticated brain modeling technology to unravel the mysteries of epilepsy.