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Official Google Blog post here [googleblog.blogspot.com]...
Google News Timeline organizes information chronologically by presenting results from Google News and other data sources on a zoomable, graphical timeline. You can navigate through time by dragging the timeline, setting the time scale to days, weeks, months, years, or decades, or just including a time period in your query (i.e., "1977").
WebmasterWorld Google Search forum discussion of the other new Labs feature here...
Similar Images from Google Labs
and do a search for "XML".
You will find a few stories about XML... but mixed in are all these posts that are "available as XML" (read: RSS). Wow, helpful, not. I know, it's not a catastrophe, just a peeve.