Sniffing Out 6 Stories About Smell

Catch a whiff of that? We’ve got six—count ’em—six fascinating stories about smell. Among the highlights: We meet a woman who can tell if someone has Parkinson’s disease by sniffing them; we visit the perfume capital of the world, and we introduce you to the man who invented those ubiquitous tree air fresheners you see dangling from rearview mirrors.