Yesterday, @oozn noticed Google testing wider, larger, bigger margins and spaces between the search result snippets. Giving more white space between position one and position two and position three and so on.
He shared this screen shot showing the difference:
When you compare them side to side, they are very noticeable.
As I was writing this story, @rgomezric also spotted it and shared his screen shot:
Google is always testing user interface changes but these small ones, that I'd never notice in a million years, are fun to cover.
Forum discussion at Twitter.