After a species of salmon, Oncorhynchus keta, which “run” upstream to spawn every year, leaping back to the place they were born; they’re not worth much commercially, but the ketas don’t know that. When we look back on our lives, it’s not just the moments that we remember, not the grand gestures and catered ceremonies, or the world we capture poised and smiling in photos. It’s the little things—the minutes—the cheap raw material of ordinary time. Pronounced “kay-tuh.”