In the world of chemistry, an "organic" compound is often described as anything with carbon in it, and "organic chemistry" is the study of carbon compounds, but there is actually no single definition of what "organic" means in chemistry, and scientists have been arguing about it for a long time. In this edition of "I Don't Think It Means What You Think It Means," Hank does his best to illuminate the confusion so we can better understand what "organic" means to chemists.