"We'll keep a skeleton force-- fire, police and sanitation, emergency crews-- but we have to save money. Otherwise, you have more layoffs. Non-union employees are already taking three furlough days, and taking three more. Union employees have taken nothing," Daley said.
Those attending Science in the City got to meet athletes such as former Chicago Bears star linebacker Otis Wilson, along with Olympians and Paralympians.
The program's goal is to demonstrate that principles of sports and science are important education tools.