Full-text coverage, 1990 - present (delayed one year)
Some recent full-text coverage available (although not research articles). For access to specific articles or tables of contents, do a Publication search.
Here are some screen shots from the ProQuest Science Journals database.
(Then, you can either search for an article within that publication, or look at tables of contents for specific issues.)
Viewing Recent Tables of Contents: Nature
Visiting the Nature website also offers access to Tables of Contents, and some full-text news articles, in .pdf format.