The study of things organisms that rule the world. these things will kill you. its likely that a degree in this field will get you tons of hot chicks, a sweet motorcycle and a demeanor similar to Hugh laurie's from house. Getting into this field is like joining a street gang. blood in, blood out.
As in, "microbiology is too hard, i'm gonna switch to biology. Damn! biology is to hard too. I guess ill just get a business degree and be another mindless drone."
That guy I slept with last night, flew me to seattle in his private jet, then took me up to his penthouse. His cock was so big, he must have been a microbiologist