WikiWorld was a comic series developed for Wikipedia by Greg Williams using the encyclopedia's text and released under a Creative Commons license. It's topics range from the concept of a redshirt in science fiction, public radio personalities like (MeFi's own) John Hodgman, Sarah Vowell and Terry Gross, Godwin's Law, Ann Coulter and world domination.
posted by l33tpolicywonk on May 31, 2010 - 12 comments

The journal Nature: "Wikipedia comes close to Britannica in terms of the accuracy of its science entries."
Nature had experts review articles from both encyclopedias. (Also, 10% of Nature authors contribute to Wikipedia.)
posted by Tlogmer on Dec 14, 2005 - 31 comments

KatarinaHelp Wiki Excellent resource for everything Katarina.
posted by Maishe on Sep 1, 2005 - 6 comments

Waxy's contest to design an interface for animating wikipedia histories has already borne fruit.
posted by Tlogmer on Jun 16, 2005 - 4 comments