22 June 2007 The Nature Publishing Group (NPG) will be upgrading key components of the nature.com infrastructure over the next few weeks. At 9:00 PM (PDT) on Saturday, June 23rd NPG expects 15-30 minutes downtime on nature.com and its associated service sites. Please share this information with your colleagues. Jayne Dickson California Digital Library 415 20th Street Oakland, CA 94612-2901 510.987.0550 [log in to unmask]