SciCentral: News Science portal includes breaking news from scientific journals, universities and government sources. http://www.scicentral.com/

Nearctica: The Natural History of North America Comprehensive site including education, natural history, conservation, environment, ecology, evolution, geology, paleontology, and systematics. http://www.nearctica.com/

British Council: Science These pages guide you into UK science, engineering and technology, and environment, and list services and information produced by the British Council. http://www.britishcouncil.org/science/science/science.htm

Access Place Science Moderate-sized links collection, with emphasis on popular science topics. http://www.accessplace.com/science.htm

Science and Math Depot Science and math information, books, and software sales. http://blakkat.com/science.htm

SciTechResources.gov An annotated catalog of U.S. Government science and technology web sites for the scientist, engineer, and science-aware citizen. http://www.scitechresources.gov/

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. http://stneasy.cas.org/

Strategian Descriptions, ratings and links for a few "top internet sites" in biology, chemistry, computer science, mathematics, medicine, physics, and psychology. http://www.strategian.com/

NovaGate A gateway to selected resources in the fields of forestry, veterinary, agricultural, food and environmental sciences. Searchable and browsable annotated database by the libraries of the Nova University. http://novagate.nova-university.org

GGGpages.com A resource for cutting-edge science, disease research, UFOs and other phenomena. http://www.gggpages.com/

Hypography Sci-Tech A guide to science links and technology news on the internet. http://www.hypography.com/

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. http://www.stnweb.org

European Current Research Information Systems Contains links to study projects in Europe, Japan and the United States. http://www.nsd.uib.no/english/research/eucris/

EFG's Color Reference Library Research resource aimed toward color reference, but includes links to science, technology, and educational resources. http://www.efg2.com/Lab/Library?Color/Science.htm

Top Science Sites View this week's selection of the top one hundred science webpages. http://www.100TopScienceSites.com/

Virtual Library: Science Directory of the Virtual Library, an expert-run catalog of sections of the web. The Virtual Library is particularly strong in the sciences. http://vlib.org/Science.html

PSIgate - Physical Sciences Information Gateway PSIgate provides access to evaluated network based information services and resources in the physical sciences. http://www.psigate.ac.uk/

Centre on Science and Technology Policies Links to sites on scientific policies, management and administration. Includes a directory of national, regional, international organisations. http://www.terravista.pt/ancora/6116/english/

A Science Bibliography Stanford University collection of scientific resources and publications. http://www-sul.stanford.edu/collect/science/

Science World Links to science resources. Also includes weather links. http://www.scienceworld.cc