http://groups.google.com" align="left" >
Google Groups
Searchable archive of more than 700 million Usenet postings from a period of more than 20 years. サイト情報 http://directory.google.com" align="left" >
Google Directory
A popular search engine with many features. It uses the ODP RDF dumps in the directory section. サイト情報 http://googleblog.blogspot.com" align="left" >
Official Google Blog
Official weblog, with news of new products, events and glimpses of life inside Google. サイト情報 http://scholar.google.com" align="left" >
Google Scholar
Provides a search of scholarly literature across many disciplines and sources, including theses, books, abstracts and articles. サイト情報 http://labs.google.com" align="left" >
Google Labs
Google labs showcases a few of our favorite ideas that aren't quite ready for prime time. Your feedback can help us improve them. ... サイト情報 http://pack.google.com" align="left" >