Are you overwhelmed or even addicted to Facebook, MySpace or Twitter? An increasing number of people are opting out of social media. We look at who's quitting and why.

Are new airport security provisions a violation of privacy or an effective deterrent to terrorism? Experts weigh in on the debate over the increased use of full-body scanners.

Jay Shefsky looks at proton therapy for cancer as Illinois opens its first proton therapy facility. Advocates say it's better and safer than traditional radiation, but some doctors argue it's not worth the high cost. CDH Proton Center Dr. Ralph Weichselbaum

Kate McGroarty won the chance of a lifetime: to live inside in the Museum of Science and Industry for a month. We Skype with the 24-year-old Chicagoan from her museum home. Month at the Museum Follow Month at the Museum on Facebook

A new, free computer program can turn the most inexperienced computer user into a computer hacker, and the hacking is taking place at public wi-fi sites.

Why were powerful explosives linked to Al-Qaeda addressed to Chicago synagogues? Elizabeth Brackett tells us why the intended targets and the timing may not have been a coincidence.

The parking boxes on Devon Avenue might make it easier to find a spot, but we find out why some store owners say the boxes could be bad for business. Ash-har Quraishi has the story. West Ridge Chamber of Commerce Search for Chicago Parking Tickets Chicagometers.com

Is fear ruling the climate change debate? Self-described "skeptical environmentalist" Bjorn Lomborg says yes. He talks about his new documentary Cool It. Bjorn Lomborg's website Find out more about his new movie, Cool It, directed by Ondi Timoner Copenhagen Consensus Center

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

Has the priest sex abuse crisis caused Chicago Catholics to lose their faith? The results of a new study may surprise you. We have more on that and on the study's author, the ailing sociologist and priest Father Andrew Greeley.

It's one of the biggest mysteries of the universe -- and Chicago's Fermilab thinks it may have the key to solving it. We delve further into this and other top stories from Chicago's scientific community when we talk with University of Chicago paleontologist Neil Shubin.

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.

A young mother's battle with breast cancer inspires an innovative approach to helping other women with the disease. The Karen Dove Cabral Foundation

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