Web Links

Science Online
Web Links

Here you will find websites pertaining to the sciences, including not only biographical information on scientists, but also general information on astronomy, biology, chemistry, computers, earth science, general science, genetics, marine science, physics, and the weather. Our editors researched and compiled these resources to aid you in your study of science, selecting sites because they both complement our product and are of high quality. We hope these links will help you put the contents of your Facts On File online database into a broader context.*

Please select the area which most interests you:


  • Astronomy
  • Biology
  • Chemistry
  • Computers
  • Earth Science
  • Environmental Issues
  • General Science
  • Genetics
  • Marine Science

  • Mathematics
  • Physics
  • Scientists
  • Weather



Science @ NASA
NASA provides exciting and well-illustrated articles on the latest news in astronomy and space technology. Although news is the primary focus of this site, it also provides some basic information on the solar system, space travel, and rocketry.

This site offers illustrated facts about the Hubble telescope and its instruments, as well as images taken with it and news on the latest discoveries made using Hubble.

Welcome to the Planets
This site, maintained by the California Institute of Technology, offers images and information on all of the planets, as well as some of the exploratory spacecrafts and instruments used by NASA. Detailed captions describe NASA's exploratory missions and findings. The site also includes links to a glossary of terms.

A Space Library
Explore the planets at this site maintained by NASA's Jet Propulsion Laboratory. A "Solar System Simulator" provides views of any of the planets or their moons as seen from other planets, moons, or spacecraft. Surface maps for each planet give a more detailed perspective; artistic renderings of the planets are also available.

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The Biology Project
The Biology Project at the University of Arizona offers problem sets and tutorials, interactive activities, and additional online resources on such subjects as biochemistry; chemicals and human health; Mendelian genetics; and developmental, molecular, human, and cell biology. Featured activities include interactive versions of classic experiments. Some of the entries can be read in Spanish or Portuguese.

A Guided Tour of the Visible Human
This site provides an introduction to anatomy through over 18,000 digitized sections of the human body. Key word searches allow users to locate and view specific body parts through actual scans and MRIs. Interactive annotations provide explanations of key anatomical concepts. The site is linked to the National Library of Medicine's Visible Human Project, the aim of which is to produce anatomically-detailed, three-dimensional representations of both the male and female human body.

Virtual Pig Dissection
This Whitman College (Walla Walla, Washington) site takes you step-by-step through the dissection of a fetal pig (viewing requires special applications). Click on one of eight study guides to view photographs of the digestive system, for example. A preliminary photo identifies the external region to be studied, while additional photos use graphics to clearly mark and identify parts. A quiz section allows you to test yourself on the information provided in each of the study guides.

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Environmental Chemistry.com
This site offers information on the basics of chemistry and on the environmental impact of chemical waste and nuclear power. An overview of the atom and a glossary of terms provides basic information, while a molar calculator and an interactive Periodic Table of Elements offer more in-depth information. Numerous articles cover such diverse topics as the nuclear disaster in Chernobyl, hazardous materials transportation and disposal, and the impact of garbage on wildlife.

General Chemistry Online!
Detailed and extensive information on every aspect of general chemistry can be found at this site. A periodic table with pop-up information on the elements, a graph pad, feature articles on the applications of chemistry, a gas law calculator, chemistry tutorials, a trivia quiz, and a searchable glossary are among the features offered.

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Computer Basics
Learn the basics of computer use through a series of illustrated lessons on computer types, applications, input, processing, output, storage, communication between computers, software, and programming. Quizzes follow each lesson. The site also provides a glossary of computer-related terms.

Computer Museum History Center
This site from the Computer Museum History Center in Mountain View, California, traces the history of the computer from 1945 through 1990. Special timeline exhibits document the developments of the Internet and the microprocessor. Search by keyword to find information about a computer, person, or event. Of the museum's collections, which include photos, films, and videos, at present only artifacts are accessible via the Web site.

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  Earth Science:

USGS Earthquake Hazards Program
This site, maintained by the U.S. Geological Survey, provides illustrated information on earthquake activity and seismographic research. An almost real-time list displays the location, magnitude, and depth of the most recent earthquakes. Precise maps show the location of the earthquakes. More detailed information is available for historic earthquakes. Another section of the site focuses on the geologic causes of earthquakes, basic seismology, and information on research centers.

Museum of Paleontology's Geology Web Pages
These Web pages, from the University of California at Berkeley's Museum of Paleontology, offer users an introduction to geology and a research guide through the museum's vast online resources. Study any geological era, major or minor, with the aid of photographs and internal links to the museum's collections. The site also provides an extensive multimedia glossary of geological terms.

NASA's Earth Observatory
A public service provided by the National Aeronautics and Space Administration, the Earth Observatory provides graphical charts of trends and changes in the global environment. Explanatory articles discuss many of the issues highlighted on the site. Custom make moving charts of global temperature fluctuations across any time period for which data exists. View algae blooms in the world's oceans. "Visible Earth," a section of the Earth Observatory website, offers a catalog of photographic, radar, and composite images of the planet Earth, all taken from orbit by satellites.

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  Environmental Issues:

EPA Global Warming Site
This Environmental Protection Agency site provides a wealth of information about global warming and its relationship to climate change, emissions, and human action.

Exxon Valdez Oil Spill Trustee Council
The causes and long-term environmental effects of the 1989 oil spill off the coast of Alaska are explored in detail, as well as efforts to protect and restore threatened Alaskan habitats.

Backyard Wildlife Habitat Homepage
The National Wildlife Federation provides online resources to plan landscapes and gardens with the needs of local wildlife in mind. A gallery shows that backyard wildlife can be pretty as well as environmentally friendly.

Biomes of the World
This Missouri Botanical Garden site highlights diverse ecosystems found on land and in water. Information on what defines each of six of terrestrial biomes is provided, along with photographs and maps of where biomes are found throughout the world. Aquatic ecosystems are also discussed.

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  General Science:

NOVA Online
This page of the PBS Web site is an alphabetical list of past broadcasts of the award-winning science program NOVA. Search by program title or by subject to find a particular program's companion Web site. These informative sites use a combination of text, graphics, and photos, include a transcript of the program, and offer interaction (some require special applications); some even allow you to view the program itself. Some of the topics NOVA has covered include AIDS, El Niņo, the ice age, and sharks. Each site offers additional resources, links to other sites, and provides a forum via e-mail.

How Stuff Works
This site offers easy-to-read explanations on how stuff works, covering a variety of topics from internal combustion to animal camouflage to the science of urban legends.

The Web site of San Francisco's Museum of Science, Art, and Human Perception, Exploratorium features online exhibits and Webcasts that present scientific content within a cultural or sometimes artistic framework. While the range of material is not comprehensive, the exhibits, which include topics such as the CERN particle accelerator and the science of baseball, are very interactive and present complex material in an appealing way. The site has a digital library for searching current and past exhibits and will respond to questions about science-related topics.

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Genetic Science Learning Center
If you ever wanted to extract DNA from peas or simulate the glow of a firefly, this site from the University of Utah shows you how to do it. Search by four basic headings or according to your needs as a teacher, student, or parent. Subjects such as blood types and chromosomes are explained in language that is easy to understand. While the site engages the reader with fun activities and experiments, it also discusses serious topics such as genetic disorders.

DNA from the beginning
This site offers an animated history of genetics, with concepts ranging from the basic tenets of inheritance to the latest discoveries in DNA research. Each section includes a gallery, audio and video clips, a biography of a major scientist, and a quiz.

The Human Genome Project Information Web Site
Prepared by the U.S. Department of Energy's Human Genome Project, this well-organized site updates the project's latest findings. Using colorful illustrations, it provides basic information about genetics and DNA, as well as overviews of topics such as chromosome mapping, gene therapy, and ethical issues. Resources include a timeline, a history of the project, and links to books, articles, and current media references.

Southwest Biotechnology and Informatics Center
An educational site on the many uses and applications of biotechnology, with a focus on bioinformatics and genome analysis. Offers activities, tutorials, and a few educational games, as well as more in-depth information.

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  Marine Science:

WHOI Marine Operations
The Woods Hole Oceanographic Institute site provides information on marine research vehicles. Diagrams of the vessels and descriptions of deep-sea research cruises are provided. The site emphasizes vessel design over marine research findings. It includes information on Deep Submergence Vehicles (ALVIN), Remotely Operated Vehicles (ROVs), and Autonomous Underwater Vehicles (AUVs), as well as several specific research vessels.

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This site specializes in homework help for math subjects ranging from addition and subtraction to calculus and beyond. Six mathematically-based games illuminate key concepts.

MathWorld provides a thorough database of articles on mathematical concepts, the history of math, and recreational mathematics.

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The Particle Adventure
This site is devoted to a thorough understanding of particles and their place in physics. The centerpiece of the site is a thorough, illustrated introduction to the nature of particles, discussing not just what scientists know but how they know it. A timeline shows how particle theories have changed over time, and articles from the Particle Physics News discusses those questions currently being debated. The site is available in several languages and includes a glossary.

Physics 2000
Physics is explained interactively at this site, maintained by the University of Colorado at Boulder. Animated applets demonstrate physical reactions by allowing you to manipulate objects and see how they respond. Explanations for these reactions are given in dialogue form. Emphasis is given to observable physics and its real-world applications.

Interactive Physics and Math with Java
Basic physics experiments are explained here with animated applets, some of which are interactive. Brief captions describe the physics and math involved in each animation.

Selected Physics Labs
The list below provides links to top physics labs. These sites provide information about the latest research in physics as well as educational information about key concepts in this topic.

Brookhaven National Laboratory (BNL)

Cornell Laboratory for Elementary Particle Physics (LEPP)

European Laboratory for Particle Physics (CERN)

Fermi National Accelerator Laboratory

Lawrence Berkeley National Laboratory (LBNL)

Los Alamos National Laboratory

Stanford Linear Accelerator Center (SLAC)

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The Faces of Science: African Americans in the Sciences
This site traces the involvement of African Americans in the sciences, profiling the lives and work of specific scientists. Graphs chart which sciences African Americans have been most involved in, as well as the percentage of Chemistry Ph.D.s issued to African Americans in the U.S. for each year since 1983. An essay analyzes the future of African Americans in science.

National Inventors Hall of Fame
The National Inventors Hall of Fame honors those scientists who have conceived great technological advances in the U.S. Brief biographies describe the scientists' lives and inventions.

The Nobel Channel
The Nobel Prize honors individuals for their achievements in Physics, Chemistry, Physiology or Medicine, Literature, Peace, and Economics. The Web site describes a brief history of each prize and outlines the life and accomplishments of the last two people to receive the award. Feature articles offer a closer look at the research and accomplishments of particular honorees. An Interactive Learning Studio helps students explore and question the works of past prize winners.

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Forces of Nature
This site explores the causes and consequences of natural disasters. Introductory captions offer basic information on natural disasters, while photographs and animations provide a more visual explanation. Descriptions of recent and historic disasters emphasize the damage caused by these disasters, as do the personal stories of survivors. Information is also provided on prediction, preparation, and prevention of natural disasters. Suggested experiments, quizzes, and a glossary supplement the text.

Encyclopedia of the Atmospheric Environment
This site, written by the Atmosphere, Climate, and Environment Information Programme, contains a wealth of information on the atmosphere and how human pollution affects it. Topics include acid rain, air quality, atmosphere, climate change, global warming, ozone depletion, sustainability, and weather. Most sections offer both beginning and advanced information, and all are animated and cross-linked to related entries.

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* This publication, its publisher, its general editors, and its contributing authors do not endorse or promote or have responsibility for the content of any of the websites linked to this resource.

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