100 Extremely Useful Search Engines for Science

Students of the past spent most of their academic time in the library, pouring over encyclopedias, and sifting through pages of data. It’s easy to get lost in a text-heavy reference book, amidst numbers and figures; this is especially true for science majors, whose art and skill revolves around specific numbers and very precise information. Fortunately for today’s scientist, much of the information that was once found only inside the walls of a library is now available online. These awesome science search engines will help you find what exactly what you’re looking for, as well as remind you how much fun research can really be.

Top Ten

These are the most popular, reputable, and reliable science search engines on the Web.

  1. Biolinks: A search engine for scientists. Find fast and direct hotlinks to scientific journals, companies, Medline Resources, associations and societies, publishers, meetings guide, software resources, national organizations and career opportunities.
  2. PSIgate: PSIgate is a free service that offers access to high quality Web resources in the physical sciences; astronomy, chemistry, earth sciences, materials sciences, physics, and science history and policy.
  3. Scicentral: Directory of science and engineering online resources.
  4. Science.gov: Science.gov is a gateway to authoritative selected science information provided by U.S. Government agencies, including research and development results.
  5. SciTechResources.gov: Catalog of U.S. Government science and technology Web site resources.
  6. Strategian: Guide to quality information in biology, chemistry, computer science, mathematics, medicine, physics, and psychology.
  7. Energyfiles: Virtual collections of energy science and technology information. Provides access to energy-related databases and Web sites. This product has a powerful distributed searching tool which allows users to search for information without having to know which source to use.
  8. Chemedia: Portal of science and technology in Spain and Latin America.
  9. INIS Web Services: A database of annotated links to Web sites on the Internet that are related to various fields of nuclear science and technology and the IAEA’s work.
  10. Scinet Science Search: Delve into this science search engine and directory, which allows users to research a wide range of subjects, from agriculture to technology. Users can rate sites and leave comments.

Astronomy

If it’s the universe you love, you’ll be happy to see all the data you need combined in these great engines and databases.

  1. About Astronomy and Space: Guide to space and astronomy resources and information.
  2. Astrobiology Web: An online guide to the origin, evolution, and distribution of life in the Universe as well as all other aspects of space exploration.
  3. Astronomy Net: Directory of astronomy resources, searchable forums and searchable lists of organizations providing astronomy services.
  4. Astronomy Resources: Search for educational astronomy information and links in over 50 categories.
  5. AstronomyLINKS: Astronomy and space directory, links, booksmarks and more.
  6. Brian’s Space Hotlist: Directory of links to quality space information intelligently organized into a number of topics, and annotations make it clear what each site listed is about.
  7. Cosmobrain: Astronomy and astrophysics directory.
  8. Links to Astronomy: Portal to all those who are nuts about space sciences: from the infinitely small (particle physics) to the infinitly big (cosmology).
  9. SpaceRef: Space directory and search engine. Includes space exploration and missions, a space calendar of events, and interactive space news.
  10. Top 20 Astronomy: Online directory for astronomy education including solar systems, galxies, cosmology, astrophysics, radio, organizations, and more.

Biology

These directories and databases link to sites, scholarly sources, and professional publications that highlight the most fascinating biological research.

  1. Bio Netbook: Searchable database of links for biology.
  2. Biofinder: Biology directory for professionals.
  3. BiologyBrowser: Serves as a starting point for anyone seeking biology information on the Internet. BiologyBrowser features free resources and useful links, and provides a forum for connecting hundreds of researchers and information scientists worldwide.
  4. BIOME: Offers free access to a searchable catalogue of Internet sites and resources covering the health and life sciences.
  5. BioScience Links: A directory of important Internet resources in the biological sciences. Biochemistry, biotechnology, molecular biology, software, methods, journals and other links are presented.
  6. BioSites: A virtual catalog of selected Internet resources in the biomedical sciences.
  7. BioTech Science Resources: Directory of biomedical resources.
  8. BioDataBases: Catalog of molecular genetic database links.
  9. Cell and Molecular Biology Online: Directory of resources for cell and molecular biologists.
  10. Genamics: Directory of resources for molecular biology and biochemistry.
  11. Harvard Department of Molecular and Cellular Biology: Biology links.
  12. National Biological Information Infrastructure: Provides access to data and information on the nation’s biological resources.
  13. Vadlo: Vadlo is brought to you by two biology scientists who wish to make it easier to locate biology research related information on the web.
  14. Elephant Information Repository: Elephant links, elephant news, elephant conservation, and an in-depth look at the elephant.
  15. Kingsnake.com: Portal for reptile and amphibian hobbyists.
  16. Zoology Resources: A directory of Internet resources on Zoology.
  17. ZooWeb: Directory of zoos and aquariums.
  18. Plants National Database: A single source of standardized information about plants. This database focuses on vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories. The database includes names, checklists, automated tools, identification information, species abstracts, distributional data, crop information, plant symbols, plant growth data, plant materials information, plant links, references, and other plant information.
  19. Scott’s Botanical Links: Provides useful botany education resources at the undergraduate college and advanced high school (AP-Biology) level. Sites are rated based on educational value, completeness and scientific accuracy.
  20. Internet Directory for Botany: Index to botanical information available on the Internet.

Earth Science

Here, you’ll find all the resources you need to write your best essay or thesis about earth science.

  1. Athena Earth Sciences Resources: Directory of earth sciences resources.
  2. Geoindex: Selects, gathers, edits, and links to Earth resources available online.
  3. Geologia.com: Geology and nature. Earth science on the net.
  4. Geosource: Directory of resources for human geography, physical geography, planning, geoscience and environmental science. Provided by Utrecht University Library.
  5. Mineralogie: Annotated links to internet resources, especially for mineralogists, petrologists, crystallographers, geologists.
  6. Links to Earth-Science Resources: A commented list of links to a selection of the best Earth-Science resources on the Internet.
  7. NASA’s Global Change: Directory of information about Earth science data, including a broad coverage of global warming, the oceans, atmosphere, hydrosphere, solid earth, biosphere and human dimensions of global change.
  8. UMASS Lowell Weather Links Directory: Provided by the Department of Earth, Environmental and Atmospheric Sciences Meteorology Program, University of Massachusetts-Lowell.
  9. Wind and Sea: Selected links to science and policy sites organized by topic and alphabetically within topic. All of these sites have been reviewed and annotated by a technical information specialist of the NOAA Central Library staff.
  10. NCSE Online: Improving scientific decision making through research.

Mathematics

Love it or hate it, math is a huge part of science, so get the research help you need with these useful tools.

  1. Math Forum: Resource for teachers, students and parents looking for web sites across the Internet on math topics.
  2. Math Links: Searchable library of mathematics and math-related web links.
  3. Math Online Database: This is an abstracting and reviewing service for applied and pure mathematics.
  4. Mathnet: Provides a collection of mathematical resources.
  5. Penn State Math Department: Guide to sites dealing with mathematics.
  6. Math Virtual Library: Directory of Mathematics-related resources.
  7. Math Gate: An Internet resource catalogue for Mathematics.
  8. Yahoo! Science: Here’s a directory of science resources and Web sites.
  9. Calculus.net: Offers a directory to calculus and other mathematics resources.
  10. Calculus Resources: Links to mathematics archives.

Physics

Keep your research and studies in motion with the assistance of these reliable physics search engines.

  1. About Physics: Physics sites on the web ranging from quantum physics through relativity to philsophy of physics and biographies of famous physicists. A resourse for homework help, physics discussion board, resourses for science teachers.
  2. Internet Pilot to Physics: Physics news, jobs, and resources.
  3. Physics Encyclopedia: Carefully selected and structured lists on Internet physics resouces.
  4. PhysLINKS: The guide for physics on the Web.
  5. PHYSNET: Portal to physics of the ISN and the EPS. Worldwide network of Physics departments and documents – provides a set of information services for physicists.
  6. Physics Virtual Library: Directory of physics resources.
  7. Physics.org: Searchable database of resources from the Institute of Physics which matches user queries to handpicked sites. Also includes Physics Life animation.
  8. Physics Central: Targeted at non-scientists and created by the American Physical Society. Regular features include news, ask an expert, pictures, current research, people, and links.
  9. UF Dept. of Physics: Find information about academic programs, courses, news, job opportunities, and more.
  10. UMD Physics: Find what you’re looking for by searching through these physics archives.

Weather

Follow these links to resources created for the most devoted meteorologists.

  1. WeatherNet: WeatherNet provides access to thousands of forecasts, images, and the Net’s largest collection of weather links.
  2. Weather Post: Over 3,600 cities covered worldwide! Enter a city, state or country for detailed forcast information, weather images and historical weather data.
  3. Weather Search: Get a 5 Day Weather Forcast for over 800 cities.
  4. World Climate Data Search: The data here is climate data, not current weather data. This means the data shows historical averages. It is a guide to what the weather will be typically be like, not what it is like right now.
  5. Weather.com: The Weather Channel’s searchable Web site.
  6. Langenberg: Up-to-date weather database, using CNN and Weather Underground.
  7. National Weather Service: Official US weather, marine, fire and aviation forecasts, warnings, meteorological products, climate forecasts and information about meteorology.
  8. Weather Underground: Weather Underground provides weather information for worldwide locations, including current conditions, and hourly forecasts.
  9. Yahoo! WeatherSearch: Satellite maps, news, video and more.
  10. CNN Weather: Get current conditions & 5-day forecasts plus radar, satellite, and temperature maps.

Chemistry

Use these search engines for your next big assignment, and you’ll be amazed at how much time you save.

  1. Chemistry Springboard: Directory of analytical chemistry resources on the Internet.
  2. ChemDex: Directory of chemistry on the WWW.
  3. ChemFinder: An index to chemical information on the Internet, with structures and physical properties, searchable by name, structure, CAS Number, and physical properties.
  4. Chemical Analysis: Matches those in need of chemical analysis with a database of labs and consultants from around the world. Also provides a links index, an analytical book store, literature referral service, and a forum designed specifically for chemists.
  5. Chemist Links: A huge index of Chemistry resources arranged into 75 chemical categories.
  6. Information for Chemistry: Chemistry and sciences resource compendium by field and by topic.
  7. OJOSE: With OJOSE you can find, download or buy scientific publications (journals, articles, research reports, books, and more) in up to 60 different databases.
  8. SciTopia: Search over 3.5 million documents, plus patents and government data.

Social Sciences

From anthropology to archaelogy, these engines are geared toward students of social sciences.

  1. Research Resoures in Social Science: Directory of links to information for social science researchers.
  2. Social Science Information Gateway: An online catalogue of high quality Internet resources relevant to social science education and research. All resources in the catalogue have been selected and described by a librarian or subject specialist.
  3. Sociology Weblinks: Directory of sociology resources.
  4. SocioSite: Directory of information and resources which are relevant for sociologists and other social scientists.
  5. SocioWeb: A guide to sociological resources on the Internet.
  6. Virtual Library: Guide to sociology courses.
  7. Resources for Political Science: Directory of political science resources. Covers U.S. politics, international relations, comparative politics, public policy groups, and more.
  8. Encyclopedia of Psychology: A hierarchical database of links to websites providing information about scientific psychology.
  9. Ethnologue: A catalogue of more than 6,700 languages spoken in 228 countries. The Ethnologue Name Index lists over 39,000 language names, dialect names, and alternate names. The Ethnologue Language Family Index organizes languages according to language families.
  10. Search Language: Language resources directory. Find dictionaries, language schools, online courses, and more.
  11. Anthrotech: Directory of anthropological internet resources.
  12. WikiArc Search: A customized search engine that allows you to search the Web specifically for archeology data and articles.

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