Mathematics & Science Subject Directories

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• Alchemy Web Site, The - Directory. Can search, browse 90 megabytes of information in 1,300 sections. Has over 2,000 images & 200 etexts, bibliographies of books & manuscripts, journal articles, resources, etc.



• ARL Digital Initiatives Database - Directory. Can search, browse links to over 490 descriptions of digital initiatives in or involving libraries.



• AstroWeb Astronomy on the Internet - Directory. Can search, browse over 3,000 links in 9 categories (organizations, observing & data resources, abstracts, etc.).



• BioChemWeb.org - Directory. Can search, browse links by 20 subjects & to research groups, databases & tools, methods, software, vendors, books & journals, career & funding, organizations & meetings, etc.



• Biology Links - Directory. Can browse links in 8 categories (biochemistry & molecular biology, biomolecular & biochemical databases [sequences, structures, etc.], educational resources, evolution, immunology, jobs, online biological journals & articles, Zebrafish).



• Catalog of Mathematics Resources on the WWW and the Internet, A - Directory. Can browse links in 17 categories (pure math, applied math, math teaching, math software & programs, college & pre-college math sites, etc.).



• Cell & Molecular Biology Online - Directory. Can browse links on research (protocols, etc.), education (courses, texts, images, etc.), communication (societies, conferences, etc.), etc.



• Chemdex - Directory. Can search, browse over 7,100 rated links in 13 categories (chemistry, communication, university departments, people, periodic table, companies, elements, compounds & molecules, etc.).



• CHEMINFO - Directory. Can search, browse links to resource guides (Selected Internet Resources for Chemistry Clearinghouse for Chemical Information Instructional Materials) & databases (acronyms, crystallography, etc.



• Chemistry Index - Directory. Can browse links in 13 categories (general chemistry biochemistry, organic chemistry, chemicals, safety, magnetic resonance (NMR, EPR), molecular modeling & visualization, databases, software, short biographies, chemistry world-wide, etc.).



• Chemistry Teaching Resources - Directory. Can browse links in 21 categories (periodic tables, hypertexts, curriculum material, graphics, software, etc.).



• Computational Geometry Pages - Directory. Can browse links to books, journals, bibliographies, tutorials, software, newsgroups, etc.



• Computer and Communication - Directory. Can search, browse links to companies, media, organizations, educational programs & projects, standards, etc.).



• CSC Mathematical Topics - Directory. Can browse links on information services, software, publications, etc.



• DLESE (Digital Library for Earth System Education) - Directory. Can search, browse over 5,600 links to K-12 & college teaching resources (lesson plans, data, visualizations, interactive computer models, virtual field trips). Covers issues, standards, assessment, etc. Has a glossary.



• Echo Research Center - Can search, browse over 5,000 links on history of science, technology, industry.



• Electronic Library of Mathematics, The - Can browse links to over 100 ejournals, 25 proceedings & collections, 14 monographs & lecture notes, classical works, software, etc.



• Energy & Environment - Directory. Can browse links on ozone, solar energy, global warming, fusion energy, wind farming, other forms of alternative energy.



• EnergyFiles - Can browse links to over 500 databases & Web sites of interest to the U.S. Department of Energy.



• Environment Directory, The - Directory. Can search, browse links in 30 categories (arts, business, education, government, health, science, social science, sustainable development, etc.).



• Environmental Ethics - Directory. Can browse links & essays on 14 topics (genetic engineering & nanotechnology, animals & vegetarianism, etc.).



• Environmental Sites on the Internet - Directory. Can browse general & subject links in over 100 categories.



• Frank Potter's Science Gems - Directory. Can search, browse over 14,000 links to K-16 classroom resources (physical & life sciences, earth science, mathematics, etc.).



• FreeScience.info - Directory. Can browse links to over 800 ebooks, formularies, notes, lectures, theses, software, links, etc.



• Gardening Launch Pad, The - Directory. Can browse over 5,100 links.



• Genethics.ca - Directory. Can browse links (literature, news, journals, etc.) on social, ethical & policy issues of genetic & genomic knowledge & technology.



• Genetic Programming Notebook, The - Directory. Can browse links on genetic programming & algorithms, artificial intelligence. Has a tutorial.



• GeoData Information Sources - Directory. Can browse links in 17 categories (cartographic, remotely sensed, topographic, atmospheric, hydrologic, atmospheric, oceanographic, etc.).



• Geological Surveys & Associations - Directory. Can browse links to California & U.S. agencies; state & foreign geological surveys, geological societies & associations.



• Geosource - Directory. Can browse over 4,620 links on human & physical geography, environmental science, etc. Has links to over 1,000 ejournals (not all free).



• HCI Index - Directory. Can browse links to books, conferences, groups, publications, tools,etc.



• HCI Sites (Human-Computer Interaction) - Directory. Can search, browse over 1,080 links to bibliographies, companies, consultants, guidelines, history, laboratories, etc.).



• Health and Life Sciences - An Intute directory. Can search, browse 31,000 links on medicine; nursing, midwifery & allied health; bioresearch; natural history; agriculture, food & forestry; biomedical ethics; history of medicine; public engagement with science & technology.



• Healthlinks.net - Directory. Can search, browse over 113,000 links in over 40 categories (alternative-complementary, child development, diseases, elder care, hospitals, laboratories, life sciences, mental health, nursing, nutrition, occupational therapy, pharmaceutical, physical therapy, public health, speech therapy, etc.).



• High Energy Physics Information Center (HEPIC) - Directory. Can search, browse links to conferences, phonebooks & directories, preprints, newsletters & journals, etc.



• Hydrogeologist's Home Page, The - Directory. Can search, browse hundreds of links on geospacial data, weather & climate data, earth science resources, etc.



• IDB (Internet Directory for Botany) - Directory. Can search, browse links (societies & organizations, museums & herberia, checklists & databases, images, journals & books, etc.) on botany & plant science.



• Information Economy, The - Directory. Can browse links in 14 categories (accounting & measuring traffic; announcements; ecommerce; epublishing; government resources; intellectual property; international Intranets; network economics; policy & law; pricing; security, privacy, encryption; etc.).



• Information Quality WWW Virtual Library - Can search, browse browse links in 11 categories (building quality WWW & non-WWW resources, epublishing & info quality, Web development quality, ethics & netiquette, evaluation of information resources, guidelines & standards, use interface design issues, Internet studies, etc.).



• Instructional Technology Connections - Directory. Can browse links on theory, research, performance technology, etc.



• Internet History of Science Sourcebook - Directory. Can browse links (articles, reviews, discussions, etc.) on ancient times back to 1900. Links to Byzantium, the Internet Ancient History Sourcebook, Internet Global History Sourcebook, Internet Islamic History Sourcebook, Internet Jewish History Sourcebook, Internet Medieval Sourcebook, Internet Modern History Sourcebook, Internet Women's History Sourcebook, etc.



• Internet Resources for the Mathematics Student - Directory. Can browse links by topic (calculus, statistics, etc.) & category (tools, tutors, online courses, organizations, etc.).



• internet.com - Directory. Can search, browse over 110,000 links in 16 categories (ecommerce, Windows, Linux, ISP, downloads, careers, etc.), news, 170 enewsletters.



• Iowa State Entomology Index of Internet Resources - Directory. Can search, browse links by category (databases, image galleries, etc.), taxonomic group, entomologic subdiscipline.



• Israel Science and Technology Homepage - Directory. Can search, browse links to Israeli resources in 15 categories (sciences, social sciences, humanities, organizations (academic, Jewish, etc.), news, jobs, etc.).



• Links for Chemists - Can browse over 10,000 links to companies, literature, software, organizations, etc.



• Links to Web Sites on the History of Mathematics - Directory. Can browse links in 17 categories (biographies, regional math, museums with exhibits, books & articles online, etc.).



• Math Forum @ Drexel - Directory. Can search, browse K-12 & college links on math topics, by resource type, math education topics, grade level.



• Math on the Web - Directory. Can browse links to guides, libraries, people, servers, 80 ejournals (not all free) & printed journals with Web sites, etc.



• Mathematics Sources - Directory. Can browse 50 links to preprint archives, database gateways, organizations, etc.



• Mathematics Web Sites - Directory. Can search, browse links in 12 categories (societies, institutes, commercial, 50 ejournals (not all free), preprints, software, etc.).



• Mathematics WWW Virtual Library - Can search, browse links in 14 categories (department Web servers, education, 100 ejournals [not all free], software, etc.).



• MathGuide - Directory. Can search, browse 900 links (algebra, topology, statistics, etc.).



• Online Communication Studies Resources - Directory. Can search, browse links in 15 categories (advertising, digital media, film studies, health & science communication, journalism & mass communication, political communication, rhetoric studies, etc.).



• Organic Chemistry Resources Worldwide - Directory. Can search, browse links to the literature, on the bench (chemicals, safety, laboratory, etc.), about the desk (article writing, tutorials, etc.), communication (conferences, organizations, etc.).



• PADI (Preserving Access to Digital Information) - Directory. Can search, browse links to international digital preservation resources. Topics include data documentation & standards, digitisation, formats & media, bational approaches, rights management, Web archiving, etc.



• PINAKES - Directory. Can link to over 50 major subject gateways.



• Primate Info Net (PIN) - Directory. Can search, browse links to resources (research, zoos, etc.), organizations, people, services (forums, jobs, etc.), products & services.



• Programming Language Research - Directory. Can browse links on programming language theory, design, implementation, etc. Includes bibliographies, publications, conferences, etc.



• Protocols Online - Directory. Can search, browse links in 19 categories (cell biology, genetics & genomics, histology, neuroscience, etc.).



• Rainer's Web Site for Statisticians - Directory. Can browse links to resources, mailing lists & newsgroups, associations & organizations, departments & institutes, software, contacts.



• Science.gov - Directory. Can search, browse links to authoritative selected information from U.S. Government agencies, including research & development results, in 12 categories (applied science & technologies; astronomy & space; biology & nature; computers & communications; earth & ocean sciences; environment & environmental quality; health & medicine; math, physics & chemistry; etc.).



• Scott's Botanical Links Search Engine - Directory. Can search, browse over 1,700 rated links.



• Telecoms Virtual Library - Can search, browse telecommunications companies & over 8,300 links worldwide.



• thefreecountry.com - Directory. Can search, browse links to free programming, Webmasters', security resources.



• Theoretical Computer Science On The Web - Directory. Can browse links to organizations, journals, conferences, bibliographies, lecture notes, software, repositories, newsgroups, etc.



• Todd's Atomic Page - Directory. Can browse links on nuclear physics & engneering. Covers power, weapons, radiation, government labs, data resources, reactors, etc.



• Usable Web - Directory. Can search, browse 780 links on Web usability.



• Virtual Library of Botany / Plant Biology, The - browse links on plant breeding, plant ecology, natural history, agriculture & horticulture, plant pathology, etc.



• Virtual Museum of Computing (VMoC), The - Can browse links in 13 categories (galleries, local virtual exhibits, corporate history & overviews, history of computing organizations, computer-related museums, on-line exhibits, computer simulators, etc.)



• Web Developer's Virtual Library - A virtual library with over 6,000 links to discussion forums & lists, software reviews, tutorials, jobs, etc.; locally mounted articles. Covers authoring, design, graphics, software, the Internet, etc. Has a site search.



• WFCC-MIRCEN World Data Centre for Microorganisms (WDCM) - Directory. Can search, browse links culture collections; databases on microbes & cell lines; biodiversity, molecular biology, genome projects.



• World Wide Web Virtual Library: Statistics, The - Can browse links to departments, divisions, schools worldwide; government statistical institutes; research groups, institutes, associations; archives & resources; vendors & software FAQs; etc.



• WWW Virtual Library: Microscopy - Can search, browse over 2,400 links in 8 categories (labs, organizations, people; equipment & technology; applications & topics; etc.).