One-liner SchoolA good microscope focus can feel like solving a tiny mystery.Clarity arrives one adjustment at a time.Copy jokeSave▲ 0Topics connected to this jokeBiologyBiology Classroom JokesCleanFunnyMicrobiologyMicrobiology One-LinersOne-LinerSchoolSchool One-LinersScienceScience Classroom JokesScience One-Liners