WHICH CAME FIRST?

'WHICH CAME FIRST?' - this question goes back a long way — at least 2000 years back, as a matter of fact. The question of the chicken and the egg was a major bugbear to Roman philosophers, and their inability to answer it stemmed from a fundamental misunderstanding about the world. These days, we know enough to provide a solid answer — the only problem is, you could come up with a justification for both possible results.