List Of Discredited Substances
This page is a list of substances or materials which are generally considered to be discredited.
A substance may be discredited in one of three ways:
- It was widely believed to exist at one time but is not any more. Such substances are often part of an obsolete scientific theory.
- It was once believed to have drastically different properties from those accepted now. Significant properties it was widely claimed and believed to possess are no longer accepted.
- It is currently believed to exist as part of a theory which has not met the theoretical and experimental requirements of mainstream science. In particular, such a theory must be predictive.
Read more about List Of Discredited Substances: Alphabetical List of Substances Whose Existence Is Discredited, Alphabetical List of Substances Whose Properties Are Discredited
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