What we imagine to be aesthetic preferences are really survival instincts honed over millennia, instincts that helped us find promising places to forage and to rest. When, today, we turn to nature when we’re stressed or burned out—when we take a walk through the woods or gaze out at the ocean’s rolling waves—we are engaging in what one researcher calls “environmental self-regulation,” a process of psychological renewal that our brains cannot accomplish on their own.
