A newborn babe doesn’t have the same skull as an older child, for instance—they have softer plates of bone that help with being, excuse my bluntness, squeezed into the world. They don’t even have kneecaps, did you know that? Little babies have no knees!” He laughed, delighted by the kneelessness of infants. “Which makes us wonder: How do our bodies know to change? What elements do we contain from birth that only emerge as we grow, to compel that greater development?
