39: Smell Ya Later

Hey, who farted? We sniff out the story behind scents and smells! How our brains associate smells with memories, Smell-o-vision at the movies, bizarre perfume ingredients, the odd world of celebrity fragrances, how stores are manipulating you with scents, anosmia, and can you trademark a smell? ALSO: fantastic old-timey words, "First in Line" quiz.

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