B: Do you think we can refine our sense of smell by watching our dogs? Perhaps using our sense of smell differently, or doing more sniffing? AH: I love this question, as it assumes that we might want to smell more. I sense that most people don’t want to, given that, unlike to dogs, we tend to find so many smells unpleasant in various ways. But I have gotten more interested in smelling as information: I walked with a doctor who talked about how many diseases can be diagnosed by smell, though this practice is no longer common. But simply by bringing attention to smell—by bothering to inhale through your nose and think about it—when you’re walking, you can take advantage of the considerable olfactory ability that we already have. There is a surprising lot there. If you don’t want to do this, just watch your dog carefully, and enjoy knowing that she is seeing the world through her nose.