The power of those stories came back to me as I read the new book “ Awe: The New Science of Everyday Wonder and How It Can Transform Your Life ,” by University of California psychologist Dacher Keltner. As a nature-lover, I expected “Awe” to tell me more about the benefits of being outdoors. And while the book does discuss nature — because witnessing a powerful storm, visiting a place like the Grand Canyon, or even merely seeing exotic plants can stir up wonder — Keltner finds that something else elicits awe in us more often: moral beauty. Most of...