+An **Unsolved Problem** is a question or challenge with no known complete or accepted solution. These enduring mysteries propel [Research](/wiki/research) and [Discovery](/wiki/discovery), often sparking new fields of study and pushing the boundaries of [Knowledge](/wiki/knowledge).
+## See also
+- [Mystery](/wiki/mystery)
+- [Conjecture](/wiki/conjecture)
+- [Paradox](/wiki/paradox)
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