Science.govSite: "Science.gov searches over 60 databases and over 2,200 scientific websites to provide users with access to more than 200 million pages of authoritative federal science information including research and development results."
Site: "Science.gov is a gateway to U.S. government science information. The portal offers free access to research and development (R&D) results and scientific and technical information from scientific organizations across 13 federal agencies.
Science.gov makes it possible for users to search over 60 databases, over 2,200 websites, and over 200 million pages of authoritative federal science information in many formats, including full-text documents, citations, scientific data supporting federally funded research, and multimedia.
Science.gov is becoming a federal public access portal consistent with its original purpose and current vision and goals. It is making available free journal articles, peer-reviewed accepted manuscripts, and reports of research funded by federal science agencies, as well as the agencies’ public access policies and requirements.
In addition, Science.gov now offers information from across the federal government on education and training opportunities in science, technology, engineering, and mathematics (STEM) fields for undergraduate and graduate students."