A DigitalPoint Forums thread links to a blog post from imanjalali.com which shows a new user interface for Google. The new user interface looks like Google is placing related search queries in tabs across the top of the search results.
Here is a cropped picture of his full screen capture:
Seems weird being that Google is really taking the user interface in a whole new direction.
I am not sure if this is some type of malware causing this interface or something else.
Forum discussion at DigitalPoint Forums.