Science & Technology


AGRICOLA - National Agricultural Library
In addition to the National Agricultural Library (NAL) catalog, this site contains a database of citations from "journal articles, book chapters, short reports, and reprints." Covers "all aspects of agriculture and allied disciplines". (LII)

The Core Historical Literature of Agriculture
This highly valuable research Website provides "a core electronic collection of agricultural texts published between the early nineteenth century and the middle to late twentieth century." (ISP)

An online news service "where research institutions, universities, government agencies, corporations and the like can distribute science-related news to reporters and news media." Searchable, and browsable by subject (Argriculture, Archaeology, Chemistry, and more). (LII)

Measurement (U.S. National Institute of Standards and Technology)
NIST Reference on Constants, Units, and Uncertainty.

The National Academies
The National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council (NRC) cooperate to provide a Web site that incorporates up-to-date information for the public about the broad range of science, technology, and health policy issues within their mandates. Hyperlinks provide access to the free full-text of thousands of e-books published by the National Academies Press as well as journals, news articles, and other publications. (CHOICE Review Online)

National Sustainable Agriculture Information Service
This site has "the latest information on sustainable agriculture practices, innovation, alternative crop and livestock enterprises, and of course, organic certification." (ISP)

A directory of links to "today's breaking science news." Browsable by topic, including biosciences, health sciences, physics, chemistry, earth and space, and engineering. Also includes links to related journals, databases, job opportunities, and conferences. (LII)
"Science. gov is a gateway to authoritative selected science information provided by U.S. Government agencies, including research and development results." Over 1,000 annotated sites are included. Searchable. (LII)

Smithsonian Institution
Site of the national museum of the United States, featuring information about exhibitions, museum events, and membership. Includes lesson plans and other resources for educators. Searchable. (LII)
the award-winning website that offers rich and compelling space, astronomy and technology content, including information, education, entertainment and business news. (SC)

UC Museum of Paleontology
This site contains online exhibits on phylogeny, geologic time, and evolutionary thought; resources for students (K-12) and teachers; and information on UCMP's collection of fossils, "printed material, images, and memorabilia." Searchable. (LII)




AAAS Atlas of Population & the Environment
The site provides "maps and graphics that quantify and illustrate many of the issues, and text that lays out the broader links between population dynamics and the environment and places them within their historical perspective." Topics include natural resources, land use, atmosphere, waste and chemicals, ecosystems, and biodiversity. Also includes case studies on specific regions. Searchable. (LII)

“ARKive is a freely accessible online repository of digital images, video, and sound clips of animal and plant species from around the globe. Users may browse or search for species by common or scientific names.” (ChoiceReviews.Online)

Biology Project
Designed for high school and college biology students, this site has problem sets and tutorials in Biochemistry , Cell Biology , Chemicals and Human Health , Developmental Biology , Human Biology , Immunology , Mendelian Genetics , and Molecular Biology.

Biological Control: A Guide to Natural Enemies in North America
This integrated pest management resource discusses the characteristics of and dynamics between natural agents and the pests they attack. The basic organizing principle is that of four biological control agents: predators, parasitoids, pathogens, and weed feeders. Each has its own section, including an introduction and table of contents leading to discussions of respective organisms within that category. (Choice Reviews Online)

Bioscience Index
Harvard University Department of Molecular and Cellular Biology links to Internet resources.

A.D.A.M. definitions, alternative names, causes, symptoms. treatment, outlook and more.
This searchable site provides information and history for this project which will "identify all the 100,000 genes in human DNA." The project and this Web site also address related issues including cloning, genetic testing, medical applications, and ethnical, legal, and social issues. (LII)

DNA Interactive
This Web site provides a host of interactive exhibits and background material about DNA, the human genome project, and the various applications that are gleaned through an intimate and detailed knowledge of human DNA. (ISP)

Encyclopedia of Life
"The EOL dynamically synthesizes biodiversity knowledge about all known species, including their taxonomy, geographic distribution, collections, genetics, evolutionary history, morphology, behavior, ecological relationships, and importance for human well being..."

Genetics Home Reference
Genetics Home Reference (GHR) is a top-notch consumer-oriented online resource from the National Library of Medicine (NLM). A handbook provides a primer for genetics with basic explanations of key terms and concepts pertinent to genes and chromosomes, their function in humans, and related disorders/diseases. (

LUMEN: Structure of the Human Body
This "site contains a series of interactive dissection exercises, a cross-sectional tutorial, and some very helpful flash cards. One feature that should not be missed is the "Learn 'Em" area. Here, visitors can learn about the structure and location of various arteries, nerves, and dermatomes." (ISP)

Medical Biochemistry Page
"This online textbook thoroughly presents many aspects of biochemistry, with an emphasis on clinical medicine; it features straightforward text and high-quality illustrations. The home page acts as a table of contents with 53 links to chapters on topics like Diabetes Type 1 and Type 2; the Cell Cycle....." (Choice)

The National Human Genome Research Institute
This site from a National Institutes of Health affiliate provides information on genetics, inherited disease research, genetics and rare diseases, online resources, and the ethical, legal, and social issues related to genetic research. (LII)

"The strategic guide to quality information in biology, chemistry, computer science, mathematics, medicine, physics, and psychology."

Symptom Navigator
Click on an area of the body to identify diseases/disorders using the A.D.A.M. Symptom Navigator.

WildFinder: Mapping the World's Species
WildFinder is a map-driven, searchable database of more than 26,000 species worldwide, with a powerful search tool that allows users to discover where species live or explore wild places to find out what species live there. (WF)



Chemistry Central
"Chemistry Central is a new service publishing peer-reviewed open access research in chemistry, from the same team that created BioMed Central, the leading biomedical open access publisher. The Chemistry Central website currently features chemistry-related articles published in BioMed Central journals."

General Chemistry Online
The site contains companion notes and guides that will help students as they navigate the world of first semester chemistry, as well as a toolbox of interactive graphing devices and a glossary of over 1000 chemical terms, complete with audio pronunciations. (ISP)

Links for Chemists
Directory of more than 8,400 links (not annotated) to chemistry resources.

NIST Chemistry WebBook
For information on thermodynamic data for over 5,000 chemical compounds and on ion-energetics data for over 10,000 chemical compounds, NIST's Chemistry WebBook is available for searching. Compounds can be searched by name, chemical formula, or CAS (Chemical Abstracts Service) registry number. (ISP)

Periodic Table of Elements
A fun site covering the construction and history of a "literal" (it's designed as a wooden table) periodic table. Click on any tile to see more about the element with links to more sites for reports and, in some cases, samples of the element. (LII)

Periodic Table of Videos
A short video clip about each element with the element's name, symbol, and atomic number. Each video weaves together a description of the element, its properties, and usage. (Choice)

Contains the periodic table and information on each element, including historical background, uses, compounds, electronic and physical properties, and more. (LII)

World of Chemistry

The 26 half-hour, award-winning videos are narrated and demonstrated by working industrial and research chemists, covering topics such as atoms and molecules, bonding, metals, polymers, surface science, earth science, the genetic code, and color. This site may be of special interest to student teachers. (Choice)


Physics & Astronomy

Amazing Space Web-Based Activities
"Amazing Space uses the Hubble Space Telescope's discoveries to inspire and educate about the wonders of our universe." (AS)

Center for History of Physics
The Exhibit Hall contains the discovery of the electron, Albert Einstein, Werner Heisenberg, Marie Curie and radioactivity, Sakharov and nuclear weapons, and others. Related links, Career Services, and sample syllabi are also found. From the American Institute of Physics. (LII)

Earth and Moon Viewer
You can view either a map of the Earth showing the day and night regions at this moment or view the Earth from the Sun, the Moon, the night side of the Earth, above any location on the planet specified by latitude, longitude and altitude, from a satellite in Earth orbit, or above various cities around the globe. In addition, you can view the Moon from Sun, Earth, night side, above formations on the Moon, and as a map

Einstein Light
Companion website to a Public Broadcasting Service (PBS) Nova program about "the story behind the world's most famous equation": energy equals mass times the speed of light squared (E = mc²). The site features an essay explaining this 1905 equation that "says that energy and mass (matter) are interchangeable," information about scientists whose experiments paved the way for Albert Einstein, an audio clip of Einstein explaining the equation, links to related sites, materials for library activities, and much more. (LII)

written in HTML with Javascript calculation routines." An excellent resource for physics educators and students, HyperPhysics gives flashcard-like summary pages for a huge array of topics in physics. (ISP)

Nine Planets
This site, "intended for a general audience with little technical background," gives "an overview of the history, mythology, and current scientific knowledge of each of the planets and moons in our solar system. Each page has text and images, some have sounds and movies, most provide references to additional related information." (LII)

NOVA:The Elegant Universe
This site is a companion to the Public Broadcasting Service (PBS) NOVA program about string theory (the idea "that the fundamental ingredients of nature are inconceivably tiny strings of energy, whose different modes of vibration underlie everything that happens in the universe") as explained by author-physicist Brian Greene. (LII)

The Official String Theory Website
The site is divided into several sections: Basics (describes string theory); Experiment (what progress physicists are making toward testing the theory); Black Holes (how they are involved with strings); History; Links; Bookstore; Mathematics (what types of mathematics are used by string theorists); Cosmology (how and if big bang and string theory are related); People; Theatre; Forum (this means of discussing string theory with others was not working when this review was written). (CHOICE Reviws Online)

Physics Internet Resources
Links to sites organized by various themes including general fields of physics, publications, educational material, societies, commercial sites, etc.

This searchable source for information on physics and astronomy includes material created especially for this site and many links to other online resources. There are sections on reference, ask the experts, software, astronomy, history, new theories, graduate school information, images, YS (young scientists) awards, editorials, and essays. (LII)

Physical Sciences Resource Center
Created as part of a collaborative effort by such organizations as the National Science Foundation and the American Association of Physics Teachers, the Physical Sciences Resource Center (PSRC) serves as a clearinghouse of information and resources for physical sciences education for grades K-20. Visitors to the site can browse the collection by topic, object type, or grade level. (ISP)

Stephen Hawking's Universe
Based on the PBS program, this site explains cosmological concepts in simple, easy-to-understand language. Black holes, the big bang, antimatter, super strings, and dark matter are reviewed in Strange Stuff. Cosmological Stars features individuals who have made significant contributions in cosmology. Universes has discussions about various theories of the universe as well as how it began and thoughts on how it will end. Also included are ideas that are still problematic to many scientists as well as related Web sites and a list of books. (LII)

Includes news, articles, and a comprehensive annotated index to on-line physics resources. The Buyer's Guide is a classified business directory with links to suppliers of lab equipment and other materials. There are also worldwide job listings and information on conferences and workshops.