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List of unsolved problems

This is a list of articles about unsolved problems in various subjects:

Unsolved problems in mathematics
Unsolved problems in physics
Unsolved problems in chemistry[?]
Unsolved problems in biology
Unsolved problems in economics[?]

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Rameses

... also spelled Rameses, is the name of several Egyptian pharaohs: Ramses I[?] Ramses II ("The Great") Ramses III Ramses IV[?] The name means "Child of the Sun". ...