Peter went on anyway. "But you and I are very different." Eddy laughed,
laughed like a little boy. "Right. We’re very different. And what makes us
different are acids." No, that was wrong. "Nucleic acids. Nucleic acids.
Little molecules." Or were they big molecules? "The same molecules in each of
us. The same... the same four acids, but it’s how they’re arranged in
us that makes us different."