Professor, rolling up a blackboard to reveal a second blackboard that is covered in general chemistry: Oh god! Oh god…get it off! Ew!
(class laughs)
Professor: No, not the ideal gas law! We don't need that, we're organic chemists! There is no such thing as gas! No such thing as gas!
Student #1: Organic chemists are very sensitive.
Student #2: This is kind of tragic. –Organic Chem Class, Barnard Overheard by: Vicksburg