Evolution is a nice framework but, like Hund's rules, it warrants further investigation; it answers "what happened" but not "how it happened". Heuristics are ps

Evolution is a nice framework but, like Hund's rules, it warrants further investigation; it answers "what happened" but not "how it happened". Heuristics are pseudo-solutions and don't necessarily conduce a deep understanding. I guess I should have said "asking 'why?' is eventually useless".