However, the tortoiseshell frames of her ultrasonically cleaned glasses were distorted..... “The minimum time required for this separation work is 6 hours. So if you fail once and try again, you won’t be able to go home today.” The only reason there are so many dudes sleeping in the lab is because they are so careless about the failure of their experimental work. Originally, researchers have never thought about cost-effectiveness. After all, they believe they are doing noble research. The reason these misguided bastards grow stubble and stink is because they spend half the week on the sofa in the lab. Do higher-level concepts build on lower-level concepts? It is generally believed that higher-level concepts subsume lower-level concepts. Because higher concepts in the pyramid of concepts build on lower ones, right? That’s a valid idea. However, we must not forget that the conceptual high and low are relative and continuous. Higher concepts are subsume...