Smell a cup of coffee.

Smell it inside or outside; summer or winter; in a coffee shop with a scone; in a pizza parlor with pepperoni -; even at a pizza parlor with a scone! -; coffee smells like coffee.

Why don't other smells or different environmental factors "get in the way," so to speak, of the experience of smelling individual odors?

— Researchers at the McKelvey School of Engineering at Washington University, who are trying to "engineer bomb-sniffing locusts", did a study to find out. Read more in Locust study reveals a ‘surprisingly simple’ approach to recognize an odor at News Medical Life Sciences.