Mckenna Grace doesn't know how to do college-level calculus like Mary, the 7-year-old she plays in the movie "Gifted," but math happens to be her favorite subject, too. "Mary and I do have some things ...
CLEVELAND, Ohio — Films about math geniuses are a minor trend in recent years with movies like "The Imitation Game," "The Man Who Knew Infinity," "Hidden Figures," and most recently, "Gifted" hitting ...