NASA Image eXchange (NIX). "A Web-based search engine for simultaneously searching one or more of NASA's online image and photo collections."
Hawaiian Astronomical Society. Provides a good online atlas of the heavens.
Audubon Online. This National Audubon Society Web site is an excellent resource for North American bird conservation.
Endangered Species. Up-to-date lists of endangered animals and plants in the U.S. Published by the U.S. Fish and Wildlife Service.
The NCBI Taxonomy Browser (The National Center for Biotechnology Information). The biological classification scheme presented for beginning biology students.
Internet Directory for Botany. A subject directory of Web resources covering plants and gardening.
Glossary of Botanical Terms. Here you will find terms relating to botany, gardening, and horticulture.
Periodic Table: WebElements. An up-to-date, online table of the elements.
Links for Chemists. The chemistry section of the WWW Virtual Library's Links for Chemists is an index of over 8,400 chemistry resources on the Web. This site is the copyright of The University of Liverpool in England.
Material Safety Data Sheets. Search engine for MSDS.
National Weather Service. Web site of U.S. Deptartment of Commerce's National Oceanic and Atmospheric Administration.
U.S. Geological Survey. As described on its "About USGS" Web page, the USGS "serves the Nation by providing reliable scientific information to describe and understand the Earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and protect our quality of life."
The World-Wide Web Virtual Library: Oceanography. This site contains a subject directory of Web sites about oceanography and is maintained by Dave Stevens of the School of Mathematics at the University of East Anglia in Norwich, England.
The Environment Directory. Links you to a wide range of environmental sites on the Web.
Envirofacts. Data from seven EPA environmental databases covering Superfund sites, hazardous wastes, drinking water, toxic releases, and more.
College Physics for Students of Physics and Biology. A textbook of undergraduate physics with hypertext links.
Einstein. From the American Institute of Physics at Princeton comes this Web site devoted to the greatest scientist of the twentieth century.
The Galileo Project. A Web site devoted to the great mathematician, astronomer, and physicist Galileo Galilei.
The Particle Adventure. This site provides information on the theory of fundamental particles and forces known as the Standard Model.
PhysicsWorld.com. News, views and information for the global physics community from IOP Publishing.
Stanford Linear Accelerator Center (SLAC). A presentation about particle accelerators and some of the research that goes on at these facilities.
Land Surveyor Reference Page. Includes rules, regulations, statutes, and continuing education requirements. You will also find links to federal government data sources, professional organizations, and surveying programs at colleges and universities.
DOAJ: Directory of Open Access Journals. Free full-text database of journal articles that covers all subjects but emphasizes the natural and health sciences.
General Science Collection (Gale/Cengage Learning). Composed of nearly 300 predominantly full-text academic journals and general science-focused magazines, this collection provides coverage of all scientific endeavor, including particle physics, quantum theory, advanced mathematics, and biotechnology. Provided by NOVEL.
HighWire Press. Produced by Stanford University Libraries, the HighWire Press hosts the world's largest repository of free full-text articles in the sciences with 1,668,695 articles available without subscription.
Science.gov. A gateway to over 50 million pages of authoritative, selected science information provided by U.S. government agencies, including research and development results.
ScienceDirect (Elsevier). Provides access to more than 700 full-text Elsevier science journals.