First get the complete URL of the page. Next tokenize it. The guiding rules concerning work at the graduate level and beyond derive from the fact that each student is preparing for a professional career. The progress each one makes in his or her chosen profession will reflect his or her natural aptitude for the field, the quality of training he or she has received, and the devotion with which he or she pursues their goals. A career in chemistry is a demanding one.
Fields change rapidly and professional rewards go to the diligent and well informed.
Most individuals find that merely keeping up to date in their own specialties and attending to the routine tasks of their positions is at least a full-time task. It is unlikely that graduate students in the process of learning their field will find it less time-demanding. Within this framework both vacations and regular outside interests serve many useful functions. Throughout high school and undergraduate college years, a general pattern of frequent social events, political and athletic activities, and vacations develops which is inconsistent with practices the individual will meet in future years. Furthermore, a student is not committed to any intellectually demanding career during much of his or her early educational life.