However, there are scientists -believers as well as non-believers - searching for proof of what is said in the bible. Mostly, I think, archeologists, but also other kinds.
The word 'belief' may be used about a religious feeling as well as a conviction based on facts or logic.If I believe something is, that is surely the same as my believing in it. Therefore if I believe something is not, how is that different from my not believing in it?
Religions are not generally 'shown to be false'. This is not possible, as you pointed out earlier.Religions also offer explanations through faith and belief. Where they are shown to be false, the explanation is changed to accord with general perception.
What has that got to do with evolution?Evolution. The reason we no longer toss virgins into volcanoes.