When we talk about stem cells, we are actually talking about a complicated series of things, including adult stem cells which are largely cells devoted to replacing individual tissues like blood elements or liver or even the brain.
“If you are a novelist of a certain type of temperament, then what you really want to do is re-invent the world. God wasn't too bad a novelist, except he was a Realist.”
“You're working on being a father, so that is something that when you experience it you'll understand the profundity of wanting to protect something dear to you.”