Prohibited by law from teaching at conventional educational institutions, Lisa has long found other ways to share her wisdom with the world, from the old Ask Lutz advice column to her more recent etiquette guide.

Because even her vast knowledge has its limits, her newest educational venture will draw upon the expertise of a series of specialists. In the first installment of Lutz U, she asks a scientist for his take on a vexing run-in with cluster flies.

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