An information source for scientific, technical, and medical research. Subscription required for some sections.

International weekly refereed journal of scientific research. Free registration for searchable abstracts: full content requires subscription.

Information about scientific books and journals of the Springer publishing group, CD-ROM publications, software products, and catalogues, and online access (by subscription) to some contents.

International weekly science journal, published by the American Association for the Advancement of Science (AAAS).

Multidisciplinary journal covering the biological, physical, and social sciences. Published biweekly. Archives go back to January 1996. Subscription required for full site access.

Weekly science and technology news magazine, considered by some to be the world`s best, with diverse subject matter. Articles from current issue and collections of past articles on selected "exciting areas of science."

Monthly magazine of science. Website includes articles from past issues.

Providing print and electronic research databases of citations and full text in the sciences. Site includes title list of databases, journals by subject, login scripts for webmasters, subscriber and guest demonstration access to CSA databases, and other

Nonprofit science publisher, publishing annual syntheses of the latest developments in 29 fields of science.

Full text of patents issued by the European Patent Organisation (EPO), France, Germany, Switzerland, United Kingdom, United States, and The World Intellectual Property Organisation (WIPO). The available patent data go back, in some cases, as far as the

Monthly magazine about current science and technology.

Searchable and browsable digital archive of theses and dissertations.

News and features from the world of science.

Categorized, searchable links to free, full text, quality controlled scientific and scholarly journals.

Weekly magazine offers featured articles from the current issue along with special online-only features. Includes photo collection, archives, email newsletter and Science News for Kids section.

Provides free access to scientific journal articles from Brazil, Chile, Cuba, and Spain.

Online publisher of free peer-reviewed scientific articles in all areas of medical research and biology. Although it is a for-profit publisher, it provides free online access to all its research articles. Starting in 2002, authors will be charged

Full-text research and development reports in physics, chemistry, materials, biology, environmental sciences, energy technologies, engineering, computer and information science, renewable energy, and other topics.

A publisher of free online scholarly journals. Copyright is left in the hands of authors. The archiving software is compatible with eprints software, and hence makes it possible to integrate a scholarly journal with an OAI-compliant archive.

An Open Archives Initiative (OAI) compliant archive of electronic preprints in physics, mathematics, computer science, and non-linear sciences. Created by Paul Ginsparg in 1991, it is one of the oldest archives of free online scholarship.