The Adventures of the Nasal Ranger at the NY State Fair

Reporter Hart Seely of The Post-Standard attacks the New York State Fair, armed only with an olfactometer. His goal is to measure the different smells.

He smells several locations around the fair, including the chicken coops, pig pens, and barbecue pit. What do the different odor units mean? Why might it be important to test your sense of smell on an olfactometer every few years? What types of disorders might be precipitated by a loss of smell?