By Francisco Anzola (Blind alley) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)%5D, via Wikimedia Commons
Research is the process of going up alleys to see if they are blind.
― Marston Bates, The Nature of Natural History
What do you do when your research is a blind alley? How can asking a librarian help you avoid the blind alley?