Why is it that most of us are able to track down the tiny sketch of a bespec­ta­cled cartoon man wearing a striped shirt and a funny hat—in the midst of a busy scene filled with distrac­tions and look-alikes? Finding “Waldo” might be a tad tamer than hunting down a prehis­toric dinner. But we can do both because we’re excel­lent visual hunters, and a new study demon­strates that the human brain uses its inputs and neural networks to find “search objects” at a near-optimal level. · Go to Human brains are opti­mally tuned for the visual hunt →