Color is more than just beautiful. There are many questions one must ask when encountering a substance to understand the substance fully. It was interesting to see the transition from dye for fashion to great medical advances. I learned that the development of the dye industry began and was perfected in Germany and how color eventually became an important tool in chemistry. It's amazing that something like that could be used for so many things.
Color is used for more than aesthetics.
Color is also used for testing in chemistry to see what are in certain chemicals and compounds. Color was the basis for the development of fertilizer, aspirin, and explosives. I learned that colors are a very important part of our lives, and I never thought about it that way before. I'd like to visit sometime. I also learned how chemotherapy was brought about.