Chemistry was the one and only subject that the girl [Ace] actually wanted to understand, to study. Not for any stupid exam, but because of the fact that two substances could change into something else entirely when you put them together fascinated her. Everything in the whole universe, she discovered, was made up of tiny, tiny particles: atoms and molecules. Just little dots. When you broke everything down to its basic components, there was really not much there except space. That made her feel safe, somehow.