Google is testing a new user interface for its search results that just below the search box displays the icons for specialized search engines, in an horizontal list. The icons are redundant right now, but they might replace the list from the sidebar, just like in the experimental interface for tablets.
New Google Search UI:
In other Google experiments, Google tests a new navigation bar that could replace the black bar. According to Guao.kh, who has grabbed some screenshots of the experimental interface, there're now three important changes: the black bar has been removed, the list of Google services is now a drop-down next to the Google logo, while the tools menu, the notification button and the sharing box are displayed next to the search box.
In other, Google news, the Offline Google Docs has now an updated user interface that looks more like the regular version of Google Docs.