List of unsolved problems - Definition and Overview

This is a list of lists of 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
• Unsolved problems in governance
• Unsolved problems in cognitive science
• Unsolved problems in neuroscience
• Unsolved problems in computer science
• Unsolved problems in software engineering
• Unsolved problems in philosophy

External links

• New York Times article on leading unsolved questions in science (http://www.nytimes.com/indexes/2003/11/10/science/text/index.html)