Carol:
> > I disagree.  If something has not been proven to exist, that most
> > certainly DOES mean that it might not exist.  What is being found
> > might be just an experimental artifact of some sort.  The Perth Group
> > seems, from what I've read, to be well aware of that possibility.

Lucia:
> well of course, it means it might not exist. and yes they are aware of,
> and strongly suspect/suggest, that possibility. Still, scientifically,
> just because you can't prove something doesn't mean it doesn't exist.

Carol:
Of course not.  But you said "That doesn't mean it might not exist"
which is something else entirely.