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Google is testing a search results layout and interface that is more spaced out and has more open white space. Google has tested variations of this over the years but here is a screen shot from Shalom Goodman that he posted on Twitter of this test happening yesterday.
Here is the image, you can click to enlarge it:
I am not sure I like it but you can see a lot more room around the individual search results and within the search result itself, like the space between the URL and the title.
Forum discussion at Twitter.
