How Things Work on Instagram: "Bulls recognize and remember humans largely through olfactory cues—their sense of smell is extremely sensitive. When a man who used to feed a bull approaches, the bull can detect familiar scents from skin, sweat, or clothing. These smells trigger memory pathways in the bull’s brain, associating the person with food, safety, or social interaction. In addition, bulls combine scent with visual and auditory cues—voice, posture, and movement patterns—to identify individ