Sometimes a deep look into someone else’s life can help us to better understand our own. Lulu Miller, co-founder of NPR’s“Invisibilia,” joins host Krys Boyd to talk about her study of the first president of Stanford University, a taxonomist obsessed with fish, and how his discoveries — and ultimately his intellectual myopia — helped her to make sense of her own world. Her new book is called “Why Fish Don’t Exist: A Story of Loss, Love, and the Hidden Order of Life.”