When you think of a family business, one of two images probably comes to mind: either the mom and pop shop around the corner or the dysfunctional family from “Succession.” But actually, “it could be anything,” says Jennifer M. Pendergast, family enterprise consultant and professor at Northwestern...

A Curious City listener wanted to know about the decline of frogs in our area. We looked into what’s been happening with these species over the last couple decades in Chicago. It turns out, frogs are some of the animals we call “indicator species.” How well or poorly they’re doing in their...