The EU has published all the public comments on the July 2008 green paper, Copyright in the Knowledge Economy.  (Thanks to Glyn Moody.)  There are 372 comments in the collection, gathered from mid-July to the end of November 2008.  One of the questions (Question 19) raised in the paper had a strong OA connection:  Also see our past posts on the green paper, which include many of the public comments from supporters of OA.

Nature has launched a gratis OA supplement on the ubiquitin system.

The Powerhouse Museum announced that its collection document had been released under Creative Commons licenses. Factual data about its collection objects are available under CC BY-SA and museum-specific notes are available under a CC BY-NC. (Thanks to Jessica Coates.) See also our past posts on the Powerhouse Museum.

The Journal of Visualized Experiments, an OA video journal, has converted to subscriptions. The journal continues to offer a hybrid OA option. No official announcement has been posted, but the news has been confirmed in comments by JoVE editors Moshe Pritsker here and Nikita Bernstein here.

Karen Herland, The free distribution of research and knowledge, Concordia Journal, April 2, 2009.

The April/May 2009 issue of the Bulletin of the American Society for Information Science and Technology has a special section on IRs.

The Open Journal of Cardiovascular Surgery is a new peer-reviewed OA journal published by Libertas Academica. See the April 3 announcement. Authors retain copyright and articles are published under the Creative Commons Attribution license. The article-processing fee is $1395, subject to discount or waiver.

The U.S. National Endowment for the Humanities's Preservation and Access Research and Development funding program's latest call for proposals states that it will prefer proposals that provide OA. (Thanks to Charles Bailey.)

UNESCO, Library of Congress and partners launch World Digital Library, press release, April 1, 2009. See also our past posts on the World Digital Library. Update. See also coverage in Library Journal.

Four videos about OA from the Webcast of the Board of Regents [presumably, of the University System of Georgia], dated March 6, 2009: Cliff Lynch, A Changing Society, Changing Scholarly Practices, and the New Landscape of Scholarly Communication Bill Potter and Michael Best, The Current State of Journal Publishing &

The Centre for Open Electronic Publishing has released an English version of its annual guide to Revues.org, its platform for OA and delayed OA journals in humanities and social sciences. Update. The guide now also is available in Spanish, Brazilian Portuguese, and Italian.