nbcrusader said:
I guess this goes to my original question. What constitutes a "scientific" explanation?
And is it really scientific to exlude a possibility based on self-defined boundries?
In the sciences, a theory is a logically self-consistent model or framework describing the behaviour of a certain natural or social phenomenon (thus either originating from observable facts or supported by observable facts). (In contrast, a hypothesis is a statement which has not been tested yet). Theories are formulated, developed and evaluated according to the scientific method.
In physics, the term theory generally is taken to mean a mathematical framework derived from a small set of basic principles capable of producing experimental predictions for a given category of physical systems. An example would be "electromagnetic theory", which is usually taken to be synonymous with classical electromagnetism, the specific results of which can be derived from Maxwell's equations.
The term theoretical may be used to to describe a certain result that has been predicted by theory but has not yet been observed. For example, until recently, black holes were considered theoretical. It is not uncommon in the history of physics for theory to produce such predictions that are later confirmed by experiment, but failed predictions do occur. Conversely, at any time in the study of physics, there can also be confirmed experimental results which are not yet explained by theory.
For a given body of theory to be considered part of established knowledge, it is usually necessary for the theory to characterize a critical experiment, that is, an experimental result which cannot be predicted by any established theory.
Unfortunately, the usage of the term is muddled by cases such as string theory and "theories of everything," each probably better characterized at present as a bundle of competing hypotheses for a protoscience. A hypothesis, however, is still vastly more reliable than a conjecture, which is at best an untested guess consistent with selected data, and is often a belief based on non-repeatable experiments, anecdotes, popular opinion, "wisdom of the ancients," commercial motivation, or mysticism.
Other claims such as Intelligent Design and homeopathy are not scientific theories, but pseudoscience.
http://en.wikipedia.org/wiki/Scientific_theory