In tonight's Scientific Chicago, Ash-har Quraishi takes a look at a recent scientific study that delves deep into what happens as we recall events from our past.

How the Shedd Aquarium is Teaching Aquatic Inhabitants to Follow Directions

Teaching sharks to wait their turn for food. We show you some of the pioneering training the Shedd Aquarium is doing to get exotic animals to follow directions.

Bollywood megastar Aamir Khan is in Chicago shooting a big budget action film. We bring you Ash-har Quraishi's exclusive conversation with the actor about filmmaking and his provocative talk show.

Algae blooming in Lake Erie. Image credit: NOAA/USGS

Quagga Mussels Wreak Havoc on Ecosystem

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.

Want to know how a Chicago Tonight package is produced? We take you behind the scenes of a recent story.

Ash-har Quraishi

Could harnessing the power of cold temperatures help shed flab and love handles? Ash-har Quraishi takes a look at the procedure of freezing fat.

Photographer Al Fenn
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For more than 50 years, a school field trip to Hinsdale meant a lesson in the facts of life. We take a look at one of the first sexual education centers in the country, and how it's adapting to the changing needs of schools and students.

Algae blooming in Lake Erie. Image credit: NOAA/USGS

Quagga Mussels Wreak Havoc on Ecosystem

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.

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A Chicago organization aims to dispel misperceptions about Islam and its followers through the power of television. Ash-har Quraishi talks to the organizers and shows us their plan.

Photographer Al Fenn
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For more than 50 years, a school field trip to Hinsdale meant a lesson in the facts of life. We take a look at one of the first sexual education centers in the country, and how it's adapting to the changing needs of schools and students.

Algae blooming in Lake Erie. Image credit: NOAA/USGS

Quagga Mussels Wreak Havoc on Ecosystem

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.

The Game of Kings - on Bikes

Bicycle polo is rising in popularity, and one of the best teams in the world happens to be right here in Chicago. Ash-har Quraishi takes a look at the two-wheeled sport and its hundred-year-old history. 

The Chicago Transit Authority will not increase fares or cut services in 2012 under a budget proposal outlined Wednesday by CTA President Forrest Claypool. But the plan relies heavily on union cooperation.  Ash-har Quraishi has the story.

First Quarter Report Released

Cook County continues searching for ways to reduce its budget deficit. It's also found efficiencies with the city of Chicago that could mean millions of dollars in savings. Ash-har Quraishi has the details of today's announcement and a proposal to merge two county departments.

Chicago Tonight's website gets a fresh new look. Ash-har Quraishi tells us about the new features and enhancements to our home on the web.

Former Vice President Dick Cheney

Former Vice President Dick Cheney and daughter Liz spoke to a packed crowd at the Union League Club of Chicago Monday afternoon to discuss their best-selling political memoir. Ash-har Quraishi has the story.