In case you’re curious, the Curiosities sidebar is produced by this WordPress widget. Whenever I make an addition to my del.icio.us bookmarks, the title and description are added to the sidebar.
Unfortunately, the widget does not provide an elegant way to subscribe to the RSS feed for those del.icio.us bookmarks. So I’ve added a less than elegant but still servicable link that will do the job. If you would like to have the Curiosities entries show up in your RSS reader, just subscribe to this link.