Scientists (not all) say that Global Warming is a fact but I don’t think it is proven. They also say Darwinian Evolution is a fact but it has yet to be scientifically proven and is really still a theory (a impressive one though).
In that case, you may find a little research into the curious case of the peppered moth (Biston betularia) rewarding.
You seem to under a misapprehension as to what a scientific theory actually is, and the way in which it differs from ‘an idea’.
Gravity, for example, is a theory.
But do you know of anyone who seriously doubts the existence of gravity?
A peer-reviewed theory represents the current state of scientific knowledge in any given field.
In the absence of evidence that can be verified and observations that can be replicated by others, there is no theory.
A theory is valid for exactly and precisely as long as it takes for someone to produce peer-reviewed and repeatable results to demonstrate that it is false or inaccurate – at which point the new findings themselves become a new theory.
Sorry to go on at such length, but it does irritate me when people use the word ‘theory’ to mean ‘something that has not been proven’.
Nothing could be further from the truth.
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