rationalskepticism.org

mattthomas wrote:

Evolving wrote:That is precisely the issue. At any rate in that region of the universe that has in the meantime become the observable universe.

Can we say for sure that matter/antimatter annihilation events are always equal? Is there the possibility for one or the other to remain?

That's what we are studying right now. We've gotten as far as trapping anti-hydrogen nuclei indefinitely. Next step is to see how it annihilates.