• General Biology
  
• Botony & Microbiology
  
• Chemisty
  
• Discrete & Statistical Sciences
  
• Geology
  
• Mathematics
  
• Physics
  
• Zoology & Wildlife Sciences
  
• General Information
  

• The Nucleic Acid Database (NDB)
  http://ndbserver.rutgers.edu:80/NDB/text.html
  Designed by John Westbrook, and housed at Rutgers University, the goal of the NDB is to assemble and distribute structural information about nucleic acids. The database contains the coordinates of nucleic acid-containing crystal structures, including a searchable atlas of structures, Protein Finder, a search-engine for locating protein structures in the PDB database, a macromolecular crystallographic information file, and archived reports about the structures contained in the database. This site provides information of general interest to researchers in the field, and develops and distributes standard geometry information for use in refinement and molecular modeling programs. Users can also subscribe to the NDB electronic newsletter.
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• Amphibian Information Website--USGS
  http://monitoring2.pwrc.nbs.gov/amphibs/
  Dan Rasay of the Patuxent Wildlife Research Center (US Geological Survey), in collaboration with the National Park Service and the US Environmental Protection Agency, has developed a web-based searchable database system for amphibian related information. The site contains searchable bibliographic data, web links, and researchers' names. Projects can be located using a search based on genus or keywords. The creators of this new site are looking for feedback on its usefulness, particularly to the conservation community.
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• Amphibian Embryology Tutorial [QuickTime]
  http://www.library.wisc.edu/guides/Biology/demo/frog2/welcome.html
  Provided by Professor Jeffrey Hardin of the University of Wisconsin Department of Zoology, this multimedia tutorial is designed for the undergraduate student. It is divided into four major sections, Fertilization, Cleavage, Gastrulation, and Neurulation. Each stage of development contains an introduction and then several sections illustrating it. Several QuickTime movies effectively illustrate some of the key concepts pertaining to amphibian embryology. There is also a hyperlinked glossary of terms.
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• Northern Prairie Wildlife Research Center
  http://www.npwrc.org
  This site combines detailed information on a broad range of taxa which inhabit the prairies, wetlands and agricultural fields of the upper Great Plains. Maintained by the Biological Resources Division of the US Geological Survey, the site is equally useful for both amateur naturalists and professional biologists and contains some of the best distribution maps on groups such as butterflies and birds. The site provides a number of regularly-updated databases which can be searched using taxon or geographic region.
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• Index of Watershed Indicators--EPA
  http://www.epa.gov/surf/iwi/
  Users can view national maps of watershed indicators or locate and learn about their own watershed at the US Environmental Protection Agency's new web site, Index of Watershed Indicators, part of Surf Your Watershed. National Maps loads with a map indicating the quality of all US watersheds. From here, users can view the map with respect to fifteen categories of watershed indicators, including fish and wildlife consumption advisories, drinking water conditions, wetland losses, and agricultural runoff. Locate your Watershed allows users to search for their watershed via state maps, keywords, places, or National Watershed Network. Information available includes local watershed groups, water use statistics provided by the US Geological Survey, population in the watershed, river and stream miles, and land characteristics.
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• Faunmap Project, Illinois State Museum
  http://www.museum.state.il.us/research/faunmap/
  Erich Schroeder of the Illinois State Museum maintains this site which contains an electronic database documenting late Quaternary distributions of mammal species. The primary purpose of this database is to allow users to learn about and investigate the evolution of mammalian communities during the last 40,000 years. Specifically, the site employs statistical techniques and Geographic Information System (GIS) mapping capabilities in order to delineate historic changes in the distributions of individual species. Species distribution maps were constructed from 2919 paleontological sites in the contiguous 48 states. A query function allows users to specify a species and time period (based on given codes) and generate a distribution map. Professional researchers will find the historic distribution maps useful while features such as an online exhibit of what is now the Midwestern US 16,000 years ago will be of interest to educators and students. This site provides a unique synthesis of data in the growing field of late Quatenary research. The Faunmap database can be downloaded or a hard copy with an MSDOS-compatible diskette can be ordered for a charge.
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• The Origin of Species online
  http://earth.ics.uci.edu/faqs/origin.html
  The Talk.Origins Evolution Archive
  http://earth.ics.uci.edu/
  Charles Darwin's contribution to our understanding of science has been called the single best idea anyone ever had. You can read about his ideas, where they originated, and how he supported them in the book that shifted paradigms and continues to stimulate research and debate. The full text is available at this site and is divided into chapters for easy access and reference. The Origin of Species text is located within a larger web page (The Talk.Origins Evolution Archive) which addresses numerous issues related to evolution, with special attention paid to the creationism vs. evolution argument.
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• Learning Resource in Virology
  http://www.umu.se/virology/alistair/first.htm
  Alistair Kidd of Umea, Sweden has designed an informative, fun, and intellectually challenging virology site containing interactive pages on virus-disease associations, virus families, virus incubation periods, solvable case histories (diagnostic challenge), and interactive quizzes on anti-viral drugs and medical virology. Although the site was designed for medical students, it contains information accessible to a broad range of users. This site offers a list of virology books, images, lecture notes and links to virology sites. Learning Resource in Virology is an excellent example of how even the most esoteric subjects can be made interesting and understandable through the use of creative instructional tools.
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• Thermodex: An Index of Selected Thermodynamic Data Handbooks--University of Texas
  http://spruce.lib.utexas.edu/thermodex/
  The Mallet Chemistry Library at the University of Texas provides this recently updated site, a no-nonsense search interface to bibliographic information about 129 "printed handbooks and compilations of thermodynamic and thermophysical data for chemical compounds." Users simply enter the properties and compounds they are interested in and a list of sources that are relevant to the query is returned. Each source contains brief bibliographic information, along with an abstract. The number of indexing terms and the ease of searching make this site stand out. Note that large compilations (Bielstein, etc.), online databases, and standard handbooks are not indexed by the database.
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• Chemistry Indexes, Abstracts, Bibliographies, and Table of Contents Services
  http://info.lib.uh.edu/indexes/chem.htm
  A list of index, abstract, bibliography, and table of contents services for chemistry has been compiled and put online at the University of Houston Libraries by Nancy Buchanan and Jennifer Atkinson. The list contains over fifteen links to popular publishers, a polymer database, and articles from the American Chemical Society. The authors have also compiled lists for geosciences, pharmacy, physics, and science and technology multidisciplinary resources. Lists available in non-science fields are described in the October 3, 1997 Scout Report.
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• Chemical of the Week
  http://scifun.chem.wisc.edu/chemweek/chemweek.html
  Professor Bassam Z. Shakhashiri at the University of Wisconsin-Madison adds a new chemical to this page every week. The site was created for his general chemistry courses, Chem 103 and Chem 104, to increase students' knowledge about various chemicals and their use. Users can view featured chemicals from the currently updated fall course (103) or from the spring course (104). The chemicals featured thus far include: lime, methane, uranium, the chemistry of autumn colors, and gases that emit light.
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• Two Conferences
  Nano '98
  http://www.kth.se/conferences/nano98/
  Fourth Electronic Computational Chemistry Conference (ECCC-4)
  http://hackberry.chem.niu.edu/ECCC4/
  The Fourth International Conference of Nanostructured Materials, hosted by the Royal Institute of Technology, will be held June 14-19, 1998 in Stockholm, Sweden. Areas of discussion include nanostructures in natural systems, chemical, mechanical, and biological methods of synthesis and processing, and applications and technological challenges. Invited and submitted presentations as well as poster sessions will be in English. The deadline for submitting abstracts is January 15, 1998. The Northern Illinois University web site will be the home of the ECCC-4 during the month of November. Sixty-five papers and posters will span all areas of computational chemistry. Abstracts for the papers are now available online and starting November 1, 1997 users can view the full text of the papers. Conference participants can choose the papers of interest to them for detailed discussions. A form-capable browser is necessary to participate in discussions of papers, although papers may still be read without this browser capability. Free registration, though not required to visit the conference and read the papers and posters, is required to participate in discussions of the papers and posters.
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Geology

• Antarctic Research Facility--FSU
  http://www.arf.fsu.edu/
  The Antarctic Research Facility, part of the Florida State University Department of Geology, is a repository of polar geological core and dredge samples collected from the Antarctic and the subantarctic marine regions. Types of rock and sedimentary materials cores include piston, trigger, phleger, gravity, and rotary cores. The cores come from over ten different projects and cruises including USNS Eltanin surveys, International Weddell Sea Oceanographic Expeditions, and the Ross Ice Shelf Project. Users can search samples via two methods: a core or sample search. A core search allows the user to search for a core using criteria such as latitude or water depth. The sample search allows users to view how often a core has been sampled and by whom. Samples of the cores are available to National Science Foundation funded researchers usually upon receipt and to non-NSF-funded researchers upon approval by Antarctic geoscientists. Descriptions of material cores are available free of charge upon request; a sample request form is available online. Information about staff members and the facility location is provided in addition to related links.
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• Volcanoes--Annenberg/CPB [QuickTime]
  http://www.learner.org/exhibits/volcanoes/
  Less graphical entrance:
  http://www.learner.org/exhibits/volcanoes/entry.html
  Volcanoes is an exhibit from the Annenberg/CPB Project that provides a wealth of information about volcanoes and includes sections such as Melting Rocks, the Dynamic Earth, and Forecasting. Interactive exercises enable the user to learn how rock turns into magma, how to locate volcanoes, and how to decide if building a project near a volcano is safe. Quicktime videos are used for each of the six categories to illustrate the points outlined in the text.
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• Paleontology Without Walls
  http://www.ucmp.berkeley.edu/exhibit/exhibits.html
  This site, maintained by the University of California Museum of Paleontology contains one of the very best collections of on-line paleontology exhibits and scientific resources on the web. A hypertext link to Information for First-time Visitors streamlines access to the site. Extensive navigation pages for the three main areas of interest: Phylogeny, Geology, and Evolution (under construction), give the user instructions on how to navigate their way around. Numerous images of everything from hadrosaurs (duck-billed dinosaurs) to Leptospira (a bacteria) make this an ideal site for research and educational purposes.
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• Antarctic Mapping Mission (AMM)
  http://radarsat.space.gc.ca/ENG/AMM/menu.html
  RADARSAT
  http://radarsat.space.gc.ca/
  Images from the Antarctic Mapping Mission (AMM) are now available. The goal of the AMM is to complete the mapping of Antarctica using high resolution imaging. The Canadian Space Agency's RADARSAT satellite was launched in 1995, with high resolution mapping of Antarctica beginning September 26, 1997. RADARSAT currently furnishes standard-2 images of the south pole beginning on September 13. Larger versions of the images are available at the FTP site (link provided).
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• Maple Examples
  http://www.math.utah.edu/lab/ms/maple/examples.html
  Below are some examples to help get you started using Maple. The best way to learn is to try things out on your computer.
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• ARfit: A Matlab Package For the Estimation and Spectral Decomposition of Multivariate Autoregressive Models [.ps]
  http://www.aos.princeton.edu/WWWPUBLIC/tapio/arfit/
  This collection of Matlab routines, provided by Tapio Schneider of the Atmospheric and Oceanic Sciences Department at Princeton University, was created for the purpose of "estimation of parameters and confidence regions for multivariate autoregressive (AR) processes, diagnostic checking of fitted models,and spectral decomposition of AR models." The abstracts for the papers on which the routines are based are available at the site. ARfit may be used by copying the collection of routines into a directory accessible by Matlab. The descriptions of the ARfit files, including their code, are available through direct links at the site. Also included are PostScript copies of the two reference papers.
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• Mathematical Snippets
  http://scidiv.bcc.ctc.edu/Math/MathSnips.html
  This site, created by the Mathematics Department at Bellevue Community College in Bellevue, Washington, contains descriptions of six mathematical concepts: the Pythangorean Theorem, Archimedes' Tombstone, the Mobius Strip, the Koch Snowflake Curve, Plateau's Problem, and Counting to Infinity. Each snippet contains a very brief history and an explanation of the concept. Illustrations are used to convey the physical meaning and consequences of each concept. Plateau's Problem and Counting to Infinity contain links to web sites that provide additional information about persons or concepts mentioned in the snippet.
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• Physics Modules & Simulations--Syracuse University [Java, VRML]
  http://suhep.phy.syr.edu/courses/modsim.html
  This site, from the Physics department at Syracuse University, contains a series of educational modules and simulations. Of particular interest are the Science for the 21st Century and the VRML Gallery of Physics sections. Science for the 21st Century contains eight modules of information on topics ranging from the brain, biology, and health, to global climatic changes. The VRML Gallery of Physics includes two modules written by Rob Salgado, Electromagnetism and a Light Cone. The Gallery of Electromagnetism features 15 sections of principles including unit vectors, charged spheres, Faraday Law, and line integrals. The Light Cone is an introduction to relativity. Included in the module are an introduction and sections on primeval, special, and general relativity
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• Lunar Eclipse Observer
  http://www-clients.spirit.net.au/~minnah/LEOx.html
  Created by Byron W. Soulsby, an amateur research astronomer who operates the Calwell Lunar Observatory in Canberra, Australia, this site is designed for anyone with an interest in lunar eclipses, from serious researchers to the casual astronomer. Users can find numerous items of interest, including analyses of lunar eclipses in 1995-97, information on the topography of the moon, a number of animations and images of eclipses, and a collection of links to other relevant sites. In addition, the author invites amateur astronomers to submit their observations of the July 1999 partial eclipse and participate in his research on the geometry of the upper atmosphere of the Earth. An online registration form is provided for users to register.
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• Vacuum Solutions--IOP
  http://www.iop.org/Mags/Vac/
  The Institute of Physics' publishing division has created this site to compliment the printed version of its new magazine, Vacuum Solutions, devoted to vacuum technology, which debuted in September 1997. The site features selected full text articles from the print magazine, lists of pertinent conferences and meetings, web resources, and subscription information.
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• Stephen Hawking's Universe--PBS [.pdf]
  http://www.wnet.org/hawking/
  This companion site to a six part Public Broadcasting System series that began October 13, 1997 features a series of essays by Astronomy Magazine associate editor Richard Talcott (the first two of which, Seeing is Believing, and In the Beginning are available at present). These essays discuss the great cosmological questions of the origins of the universe. There are also brief explanations for complex cosmological phenomena (Strange Stuff Explained) from antimatter to Hubble's Law to wormholes; short biographies of seventeen giants of cosmology including Copernicus, Eratosthenes, and Newton; explanations of eleven different universes from flat earth to steady state to big bang; and unsolved mysteries, where leading cosmologists discuss these very large, unanswered questions (three articles are available at present). A Teacher's Guide (Adobe Acrobat [.pdf] format only) and Ask the Experts sections round out this site. A link section is forthcoming.
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• Genetic and Physical Maps of the Mouse Genome Release 15--Whitehead Institute [Java]
  http://www-genome.wi.mit.edu/cgi-bin/mouse/index/
  Released on October 15, 1997 the latest version of this database, maintained by the Center for Genome Research at the Whitehead Institute for Biomedical Research in Cambridge, MA, can be browsed or searched. In addition, flat file data is available.
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• Municipal Solid Waste Factbook 4.0--EPA
  http://www.epa.gov/epaoswer/non-hw/muncpl/factbook.htm
  The US Environmental Protection Agency released version 4.0 of the MSW Factbook in August 1997. The Factbook is designed like a spiral bound notebook with chapter tabs at the bottom. The Factbook contains over 10 chapters dealing with topics of municipal solid waste such as recycling, combustion, materials, and solid waste information for each state. International figures are also available for amount of waste generated and amount of materials recycled, broken down by type of material. Countries studied include Germany, Japan, and Switzerland. Information from the Factbook may be freely distributed and used in reports or presentations; the Factbook itself can be downloaded without charge. It can only be installed on an IBM compatible computer with Microsoft Windows 3.1 or Windows 95 and 2 megabytes of RAM. All programs necessary for the Factbook will be installed on user's computer during the installation process.
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• NIX: NASA Image Exchange
  http://nix.nasa.gov/
  NIX contains over 300,000 National Aeronautics and Space Administration images from eight research centers. Users can search the database via three methods. The first method, Browse, allows users to search through seven categories of images including aeronautics, information systems, and space. In the second method, Options, users select which research centers' databases to examine and the maximum allowable number of hits, images to display, pages, and response time. Research centers linked to NIX include Ames, Johnson, and Langley. The third method is a search interface that supports Boolean AND/OR/NOT searching.
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• Tufts University Nutrition Navigator
  http://navigator.tufts.edu/
  The Nutrition Navigator, published by the Tufts University School of Nutrition Science and Policy, is a database of evaluated and categorized nutrition-related web sites. Each site indexed by the Nutrition Navigator has been carefully evaluated by a nutritionist and rated numerically in various categories. The site reviews contain brief descriptions, an indication of the intended audience, and other information. These evaluations are searchable, but the search results are not returned in order of the numeric evaluation. The evaluations are, however, organized for browsing by interest category (Educator, Parent, Health Professional, etc.), and are arranged in order of numeric evaluation. The detailed, useful reviews outweigh any inconvenience experienced due to the limitations of this search engine. Although there are relatively few items in the database at present, as it grows it should become a highly valued nutrition metasite.
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• Science Friday [RealAudio]
  http://www.sciencefriday.com/
  Science Friday is the web site for the science talk show of the same name that airs on public radio, Friday afternoons. Users can obtain descriptions of programs, browse archived Science Friday shows (available in RealAudio format), or participate in chat room discussions on Science Friday topics. The Kids Connection includes links to the show, a special room where students, teachers, or parents can post comments and questions, and a mentor page where kids can ask scientists, professors, and researchers for an answer to a science question. Behind the Scenes introduces the individuals who produce Science Friday.
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• Photoperiod Calculator
  http://www.netti.fi/~jjlammi//sun.html
  Jarmo Lammi has developed this simple, easy-to-use tool that provides information useful for teaching and research purposes. Users select a day, month, location (city or latitude and longitude) and time-of-day, and then submit their entry. The Calculator then generates the following information: latitude and longitude for the city/location, declination of the sun, height of sun at noon that day, daylength, and time of sunrise and sunset. This is a useful tool for ecological research and teaching.
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• USDA Nutrient Database for Standard Reference 11-1
  http://www.nal.usda.gov/fnic/foodcomp/Data/SR11-1/sr11-1.html
  This is the 11-1 release of this database which allows users to look up the nutrient content of 5,900 different foods. The data can be searched and viewed from the home page or downloaded in several different formats. The Database contains information on food groups, nutrient content, weights, measures and source footnotes.
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• Educational Object Economy--Apple [Java]
  http://trp.research.apple.com/EdEconomy/
  The Educational Object Economy (EOE) is a project of Apple's Advanced Technology Group. It aims to "encourage broader dissemination and reuse of web-based learning resources, through the creation of an online community" of developers and educators. The highlight of the site is a collection of pointers to over 1,000 educationally oriented Java-based learning objects available on the web. These applets cover a wide range of subjects from astronomy to zoology. The largest number of applets are available for physics and engineering. The site also features a message board and a collection of papers on EOE.
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• Guide to U.S. Department of Education Programs and Resources
  http://web99.ed.gov/GTEP/Program2.nsf
  The 31st annual edition of this publication, a "ready reference for education funds allocated by Congress to the U.S. Department of Education," has been made available. It allows users to find program information via seven different gateways, including Topical Heading, Administering Office, Who May Apply, and Education Level. Each of these gateways leads to a list of titles, any of which can be clicked on (blue triangle) for a list of programs under it. An entire list can be expanded at once by clicking on "expand." Each program may contain basic information, appropriation information, program details, award information, contact information, and a link to the program's web site.
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• Towards A European Framework for Digital Signatures And Encryption--EC
  http://www.ispo.cec.be/eif/policy/97503toc.html
  English, German, and French [.zip]
  http://www.ispo.cec.be/eif/policy/
  This European Commission European Internet Forum Policy Paper addresses the need for "a secure and trustworthy environment" in order to reap the benefits of the "commercial opportunities [for] electronic communication via open networks." The document contains major sections on digital signatures, encryption, and policy, as well as explanatory annexes on such topics as signature, encryption, key escrow, and relevant European Commission policy initiatives. A compressed Microsoft Word version of the document is available in three languages.
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• BotSpot
  http://www.botspot.com/
  Less graphical entrance:
  http://www.botspot.com/main.html
  BotSpot, provided by BotSpot Inc., is a large meta-resource for robot and intelligent agent software sites and information. Users can enter via a search or browse gateway to annotated links to bot sites in fourteen subjects including commerce bots, government bots, search bots, and update bots. There is also a bot of the week, an explanation of bots, and annotated pointers to relevant articles, conferences, FAQ's, and journals. A great deal of thought and careful planning is evident in this well designed site.
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• DHTML Zone--Macromedia [JavaScript, Shockwave]
  http://www.dhtmlzone.com/
  The DHTML Zone is provided by Macromedia Inc., and offers an abundance of resources to help add Dynamic HTML to a website. The basics are covered in articles, tutorials, a discussion group, and DHTML demos. For those interested in incorporating DHTML and Shockwave together, there is an entire section devoted to accomplishing this. A listing of other resources which include reference guides, more articles, demos, tutorials, and information on Netscape Communicator 4.0 and Internet Explorer 4.O is also provided.
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