The Centered Librarian points to 100+ Amazing Google tricks that will save you time at school at Eternal Code. The post consists of approximately 10 tricks for each of the following services: Search, Stuff specifically for education, Docs, Gmail, Calendar, Mobile, Chrome, Books, and Services and Apps. Some really neat stuff in there.
Beyond the Reference Desk points out that you can now get email alerts from Google Scholar (Schoogle).
And on Lifehacker, there's a comment that describes how Schoogle can be "hacked" to make the "cited by" feature even more useful.