TV stations across country, including WTTW, made the historic transition to digital broadcasting last Friday. Christian Farr tells us how it went in Chicago, and also answers some viewer questions.

The transition to Digital Television is just one day away, and the FCC has some last minute advice. Christian Farr will join us once again to talk about making sure you are ready for the switch to digital.

A new approach to cancer treatment has emerged that emphasizes treating the patient, not the disease. We hear from the President of the American Society of Clinical Oncology on how this approach may change the course of cancer therapy for patients everywhere.

A controversy is raging over a proposed wind farm in DeKalb County. Rich Samuels tells us why as we continue this year's Chicago Matters series.

There are just 30 days to go until the transition to digital TV. Christian Farr joins us to explain what you need to do to make sure you are ready on June 12th.

Christian Farr explains why some Chicago Tonight viewers are having issues with lip sync, in which the sound and video do not match on their television, and offers tips on how to fix the problem. Report your lip sync issues

We meet a doctor whose innovative methods to train surgeons are changing the game at Northwestern University, and at more than a hundred other schools.

We learn how to explore the ocean floor with the man who created Google Earth. He also introduces us to some other new Google products. Google Earth Google Latitude Google Voice

In our ongoing Chicago Matters series "Beyond Burnham," we explore how deconstruction is keeping reusable building materials out of landfills. Christian Farr talks with a Chicago-area contractor who wishes this demolition method was available years ago. Rebuilding Exchange The Reuse People of America Green Collar Job Initiative/Leed Council

Is the time ripe for high-speed passenger rail service between Chicago and St. Louis? Rich Samuels takes us for a ride as our "Chicago Matters" series continues.

The Obama administration is placing an emphasis on technology and the nation's oldest laboratory is reaping the rewards. The new head of Argonne National Laboratory will be here to tell us more about his goals for the lab's future.

The transition to digital television on June 12th is fewer than 90 days away. Christian Farr joins us once again with some updates and also tackles some viewer questions.

Rich Samuels tells us why industry and environmentalists agree it is time to renew the infrastructure of the Illinois waterway system.

It can be described as the Internet of the future, and its nucleus is right here in Chicago. Christian Farr talks to people behind Starlight and finds out why it is so important to the world of scientific research.

We hear what you had to say about recent stories when we read some of our viewer mail.

President Obama's decision to lift an eight year restriction on embryonic stem cell funding is causing quite the stir in the scientific communty. We hear from a Northwestern professor about what the president's decision means nationally for medicine and ethics.