Here is a list of articles in the category Hypotheses of the Unsolved portal. A hypothesis (plural hypotheses) is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it. In contrast, Conjectures are statements which cannot necessarily be empirically tested.
This category has the following 8 subcategories, out of 8 total.
The following 105 pages are in this category, out of 105 total.