Springfield, IL (CAPITOL CITY NOW) – An instructor at the University of Illinois Springfield along with some of her students are helping Sangamon County residents learn about, and possibly determine if their homes have an odorless, colorless gas called radon. Jessica Madrigal, associate professor in the UIS School of Integrated Sciences, Sustainability and Public Health in the College of Health, Science and Technology, talks with Will Stevenson on the WTAX Morning Newswatch.