Its handy in situations when you are talking about matter/anti-matter interactions, I just feel it causes a lot of misconceptions amount the general public.
Hah, religion is just as much opinion as any scientifically unknown theory, if not moreso. NASA shouldn't worry about religion--after all, they have some of the brightest people in the country working for them.
Here is a lawyer's critique of Johnson's book Darwin On Trial; http://www.talkreason.org/articles/honesty.cfm#part1
The big bang theory is just that, a theory. I do not believe it's correct because it's assumed that there was a definite beginning and end to the universe, something we do not know near enough about to be making predictions about how and if it started. It is more likely to just be perpetual forming and re-forming of universes, with no beginning or end.