What Is a pH D?

There are different types of ph ds. You can do what's called a dentship, which is basically some professor has said, hey, i want some one to do my research for me while i work. That's normally quite hard, cause you're spending three, four years doing some one else's research. And then you have a more er, self directed ph d, where you're still doing someone else's research, but you have your own view on it. It means you're constantly on this rabbit hill, er rabbit. Well, lebe go er of going around like it's hell. What is it a of going round a rabbit either? Oh, h