Chicago has tens of thousands of surveillance cameras—up to 45,000, by some estimates. 

That’s among the highest numbers per capita in the US. Chicago boasts one of the largest license plate reader systems in the country, and the ability to access audio and video surveillance from independent agencies such as the Chicago Public Schools, the Chicago Park District, and the public transportation system as well as many residential and commercial security systems such as Ring doorbell cameras.

Law enforcement and security advocates say this vast monitoring system protects public safety and works well. 

But activists and many residents say it’s a surveillance panopticon that creates a chilling effect on behavior and violates guarantees of privacy and free speech. Read the full story.

—Rod McCullom

Job titles of the future: Breast biomechanic

Twenty years ago, Joanna Wakefield-Scurr was having persistent pain in her breasts. Her doctor couldn’t diagnose the cause but said a good, supportive bra could help. A professor of biomechanics, Wakefield-Scurr thought she could do a little research and find a science-backed option. Two decades later, she’s still looking.

Wakefield-Scurr now leads an 18-person team at the Research Group in Breast Health at the University of Portsmouth in the UK. And as more women take up high-impact sports, the need to understand what makes a good bra grows, she says her lab can’t keep up with demand. Read the full story.

—Sara Harrison