Cat parents know that their kitties have a strong sense of smell. You might have watched your feline sniffing something, such as a spot on the floor or an item in your home, wondering what she could possibly be smelling there. Or, if you’ve ever tried adding something like a probiotic or enzyme supplement to her food, you might’ve seen her reject the entire meal because she picked up on the slightest odor.Sure, you can learn a lot by observing your cat, but new research has revealed even more about your kitty’s sensitive nose, how it works, and how complex it is. Here’s a brief summary of what experts discovered when they took a closer look at the domestic cat’s nasal airway.