Starting this week, when you do a Google search, you will see a new results page replete with a new sidebar on the left side.  The graphical elements will help users quickly navigate from the different types of Google searches, which will also continue to be listed across the top.  The top navigation items are staying for the immediate future, according to Jon Wiley, Senior User Experience Designer for Google.  “Our users have muscle memory so we didn’t want to take anything that important away suddenly,” he said.

Below those options, a few more search tools like ‘Wonder wheel’, ‘Releated searches’ and ‘Sites with images’ are given

The left side search bar will also have new suggestions based on a Google algorithm on the bottom.  For instance, in the search for String Theory, above, other hefty scientific theories are proffered.

English-speaking websites should see the new interface by the end of the week.

You’ll also probably notice a change to Google’s logo. As of this update, the logo loses the large drop shadow and has less rounding effects on the letters.  Google’s lawyers also apparently OK’d losing the trademark abbreviation at the end, below:

Even the bottom of the Google results will see a change, below:

[youtube=http://www.youtube.com/watch?v=C-rnxNFRAQA]

More on the official Google Blog.