How to bring Wikipedia up to the scientific standard that many in the Universities are claiming it is missing: The Wikipedia Paper. Every student that takes a class, no matter what topic, has to create or improve a Wikipedia page of the Topic of the class.
J. Kamps, and M. Koolen. WSDM '09: Proceedings of the Second ACM International Conference on Web Search and Data Mining, page 232--241. New York, NY, USA, ACM, (2009)