Long ago, a time existed before galaxies had drawn themselves together out of the primordial matter that filled the burgeoning Universe in the wake of the Big Bang . How this process occurred, and what that matter consisted of, has long been something of a mystery. Now, however, scientists may have brought us closer to understanding how galaxies formed and evolved – through more powerful simulations of the messy chaos of dust, newborn stars, and complex chemistry at the dawn of time. And the