You do realise there is no comfort in those answers for you Paul.
If I apply your same requirement you are setting on science to religion and I accept there is a creator who created the creator?
This becomes the russian doll problem and it is historic within religious circles from my readings on religion.
Deductive arguments sectionhttp://en.wikipedia.org/wiki/Existence_of_God
A counter-argument against the Cosmological argument ("chicken or the egg") takes its assumption that things cannot exist without creators and applies it to God, setting up an infinite regress. This attacks the premise that the universe is the second cause (after God, who is claimed to be the first cause).
We have done a few of those deductive argument dances if you look carefully.
The bottom line for me is unlike you I don't care why everything exists I already know the answer is impossible, I just want to want to understand how it works we call that science.