[Rexxar]

Science ultimately never answer to "why?" but to "how?". Science give us a model to describe universe but won't tell you why it exists.

[ravi-delia]

While it seems that might be true of whatever the bottom level is, we're nowhere near that now. For instance, we know not just the how but why of Newtonian gravity; relavistic gravity! Of course, we have lots of unknowns about relavistic gravity, so on it goes.