| SciCentral: News | | Science portal includes breaking news from scientific journals, universities and government sources. |
| Science Education Website | | Contains to biology, chemistry, environmental, games, higher education, math, paranormal, physics, space, and technology webpages. Includes a quiz bowl and FAQ's page. Maintained by the University of Louisville. |
| Science Resources on the Net | | A selection of listings covering museums, K-12 sites, math, computer science, philosophy of science, physics, chemistry, astronomy and cosmology, biology, geology, ecology, agriculture, medicine, psychology, anthropology and archeology. Includes website search engine. |
| Science World | | Links to science resources. Also includes weather links. |
| SciTechResources.gov | | An annotated catalog of U.S. Government science and technology web sites for the scientist, engineer, and science-aware citizen. |
| STN Easy | | Web-based search engine that accesses more than 60 databases in the Scientific and Technical Information Network. Includes Scitech, regulatory information, MSDS, chemical inventories, toxicology, chemical suppliers, other topics. |
| STN International on the Web | | An online scientific and technical information service (subscription required) that provides access to more than 200 in-depth databases in science and technology to offer direct links to the scientific literature, patents, and chemical catalogs. |
| Strategian | | Descriptions, ratings and links for a few "top internet sites" in biology, chemistry, computer science, mathematics, medicine, physics, and psychology. |
| The Science Page | | Links to resources in all main science areas, plus newsgroups, constants, history, teacher resources and science analogies. |
| The Scout Report for Science and Engineering | | Biweekly e-zine offers a selective collection of internet resources covering topics in the sciences, and related fields such as math and engineering, that have been chosen by librarians and content specialists in the given field of study. |
| Top Science Sites | | View this week's selection of the top one hundred science webpages. |
| Virtual Library | | Provides access to a vast array of energy, science, and technology information. |
| Virtual Library: Science | | Directory of the Virtual Library, an expert-run catalog of sections of the web, which is particularly strong in science topics. |
| WebExhibits Catalogue | | Something interesting, every day. Brief summaries and online reviews of an eclectic selection of science-related web sites. |
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