From the editor:
Writers needed
Chemistry data:
WikiChemists and Chemical Abstracts announce collaboration
Multilingual contests:
Embassies sponsor article-writing contests in three languages
News and notes:
Wiki Loves Arts winners, Wikimania Conference Japan, and more
In the news:
Arbitrator blogs, French government edits, brief headlines
WikiProject report:
WikiProject Opera
Features and admins:
Approved this week
Technology report:
Bugs, Repairs, and Internal Operational News
Arbitration report:
The Report on Lengthy Litigation
Wikipedia:Wikipedia Signpost/2009-05-18