Commuters complaining

Tim Johnson, director of the Survey Research Lab in the College of Urban Planning and Public Affairs. Photo: Roberta Dupuis-Devlin/UIC Photo Services

“We don’t need magic policing tricks but real jobs, decent education, adequate housing, fair police and other steps on the long, hard road of reducing inequality and violence.”

John Hagedorn, professor of criminology, law and justice, on the reasons for the decrease in Chicago’s murder rate, March 14 Chicago Sun-Times

“Anytime that 40 percent of people who use your service express displeasure, that can’t possibly be a good thing. If they had to compete for customers and they had that kind of satisfaction rating, their business model would be in complete danger.”

Tim Johnson, director of the Survey Research Lab in the College of Urban Planning and Public Affairs, on the validity of a recent Metra customer survey that found 40 percent of riders were dissatisfied, March 15 Chicago Sun-Times

“Sure it’s crazy to deny motion, but to accept it is worse.”

Nick Huggett, professor of philosophy, explains the ancient Greek philosopher’s position put forth in Zeno’s paradox, March 5 Slate.com

“Like a river, saliva washes out some of the bacteria in the mouth.”

Christine Wu, professor of pediatric dentistry, on “Eight Foods for Healthy Teeth,” March 14 livescience.com