Crossword puzzle clue "an oenophile might detect a hint of this"

An oenophile might detect a hint of this

"___ detect a hint of sarcasm?": 2 wds.

Something your poetry teacher might assign you to write about a particularly inspirational poetry teacher you've had *hint* *hint

It might detect high cholesterol

What a polygraph might detect

What a "Star Trek" tricorder might detect

Hint (and a hint to this puzzle's theme)

"Mrs. Frisby and the Rats of ___" (classic 1971 children's book based on experiments at the National Insistute of Mental Health, hint hint)