Contains links to study projects in Europe, Japan and the United States.

An online scientific and technical information service (subscription required) that provides access to more than 200 in-depth databases in science and technology to offer direct links to the scientific literature, patents, and chemical catalogs.

A guide to science links and technology news on the internet.

A gateway to selected resources in the fields of forestry, veterinary, agricultural, food and environmental sciences. Searchable and browsable annotated database by the libraries of the Nova University.

Descriptions, ratings and links for a few "top internet sites" in biology, chemistry, computer science, mathematics, medicine, physics, and psychology.

Web-based search engine that accesses more than 60 databases in the Scientific and Technical Information Network. Includes Scitech, regulatory information, MSDS, chemical inventories, toxicology, chemical suppliers, other topics.

An annotated catalog of U.S. Government science and technology web sites for the scientist, engineer, and science-aware citizen.

Science and math information, books, and software sales.

These pages guide you into UK science, engineering and technology, and environment, and list services and information produced by the British Council.

Comprehensive site including education, natural history, conservation, environment, ecology, evolution, geology, paleontology, and systematics.