U.S. Department of Energy Office of Science Office of Scientific and Technical Information


Version 3.0 – November 2005

MetaRank: More sophisticated relevancy ranking of results using more metadata

Advanced search and Boolean operators: More precise query using AND, OR or NOT; parentheses; and wildcards.

Early search returns: View and work with results while Science.gov continues searching and ranking; then "refresh" ranked listing.

Preferences: Customize your search by selecting number of results, length of ranking time, and other options.

Alerts: Now incorporate 3.0 search features

Coming Soon! NSDL to be added to Deep Web search.