However, it is possible that give access to the same facts, different theories may result. This is perhaps because the facts were not necessarily true because they could have been ‘said facts’, just plain statements declaring something as a fact but can be false (as well as true) or because they did not encounter any exceptions through the method they used in their investigation if they did not try in different situations. If they were said facts, then the researchers, most likely, did not follow the scientific method and simply derived a theory from an assumption for a specific hypothesis. Since all theories are subjected to at least one exception, they might not be a hundred per cent true because the same theory does not apply to every possible situation that may affect the outcome. An example of this in the natural sciences is on the laws of gases which only apply if the temperature is kept constant. But then again, the temperature having to be kept constant may be a key fact part of the theory. It was previously mentioned that reason is needed to make sense of the facts obtained. Reasoning methods may vary from a researcher to another which is why some theories are created but are reviewed after a few years because they did not put the facts together in a more logical manner. An example of this is Newton’s Universe theory in which he stated that the universe is infinite and static and contains and infinite number of stars equally dispersed however, it was many years later discovered by Olber that if there was an infinite number of stars equally dispersed then, the night would not exist since the universe would be bright in all directions at all times. However, how is it possible to tell if one theory is really true since they are occasionally subjected to sudden changes due to further research and more accessibility to facts into the field? Can we then believe all of the theories we are presented with? Language also has an important role to play since it can be interpreted differently by different researchers and also, when it is translated into other languages to make it accessible for other individuals, some of the sense might be lost and might stop being a true theory composed of true facts. It is therefore clear that facts are needed to establish theories in the area of knowledge of natural sciences but often, the theories might be subjected to changes due to further facts being discovered.