WorldWideScience.org

"WorldWideScience.org is the prototype for a global science gateway connecting you to national and international scientific databases. WorldWideScience.org accelerates scientific discovery and progress by providing one-stop searching (see advanced search) of global science sources. Subsequent versions of WorldWideScience.org will make additional science information resources from many nations accessible via this portal. WorldWideScience.org was developed by the U.S. Department of Energy's Office of Scientific and Technical Information in partnership with the British Library and other sources"