USA Today reports that AOL launched StudyBuddy, a new homework aid, just in time for the new school year. StudyBuddy is a brand-new, free search engine that is pre-screened by teachers and librarians. AOL’s vice president for education and consumer services said the search engine was created because of complaints that regular search engines simply aren’t useful for homework. A premium version of StudyBuddy is available for $4.95 per month, while the free version is ad-supported; it carries fewer ads than other AOL sites, and none on the homepage…