Definition: Google Scholar
Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites.
Why create a Google Account?
A Google Account provides a single sign-on for access to Google services such as YouTube, Google Groups, Gmail, iGoogle, Picasa, etc.. It also helps you manage (add, edit and delete) your alerts better.