Do you realize that you just told everyone that you are scientifically illiterate and do not even understand the concept of a theory. Most of those are not theories. Some of them were never even accepted. The first example they gave was not a theory. It was never well accepted. The last example that they gave was not a theory, though it was rather well accepted.
To be a theory an idea first and foremost has to be testable. There has to be a way to possibly refute it if it is wrong. Second it has to explain a wide range of events. Not just a small narrow one. And of course it has to have been tested and confirmed quite a few times over the ideas that it explains.
"In everyday use, the word "theory" often means an untested hunch, or a guess without supporting evidence.
But for scientists, a theory has nearly the opposite meaning. A theory is a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and facts. The theory of gravitation, for instance, explains why apples fall from trees and astronauts float in space. Similarly, the theory of evolution explains why so many plants and animals—some very similar and some very different—exist on Earth now and in the past, as revealed by the fossil record.
A theory not only explains known facts; it also allows scientists to make predictions of what they should observe if a theory is true. Scientific theories are testable. New evidence should be compatible with a theory. If it isn't, the theory is refined or rejected. The longer the central elements of a theory hold—the more observations it predicts, the more tests it passes, the more facts it explains—the stronger the theory.
Many advances in science—the development of genetics after Darwin's death, for example—have greatly enhanced evolutionary thinking. Yet even with these new advances, the theory of evolution still persists today, much as Darwin first described it, and is universally accepted by scientists."
In everyday use, it may mean a hunch, or a guess. Scientists understand the term quite differently.
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