As Halloween fanatics across the Midwest well know, an outdoor event in late October can always be a bit of a gamble. Autumn can provide a beautiful backdrop of color and pleasant temperatures — or demand winter coats, hats and gloves in a battle against the elements.
Maddie Tanda (left), a graduate student at the University of Chicago, looks into a fish tank with Eleanor and Dawuan during Homewood Science Center’s 2022 Walk Walton. (Bill Jones/H-F Chronicle)
On Sunday, Oct. 23, Homewood Science Center’s 2022 Walk Walton lucked out, landing in the heart of . . .