website introduction：An information source for scientific, technical, and medical research. Subscription required for some sections.
website introduction：Nature.com provides access to all Nature Publishing Group journals, online databases and services, including Nature News, and the social network for scientists Nature Network. Nature Publishing Group publishes products across the life, physical and applied sciences and clinical medicine. Nature.com hosts more than 70 journals, including Nature . The site also include Nature Jobs, which features access to job listings, editorial content about scientific careers and other information.
website introduction：Monthly magazine of science. Website includes articles from past issues.
website introduction：Fully automated electronic archive and distribution server for research papers, hosted at the Los Alamos National Laboratory.
website introduction：International weekly science journal, published by the American Association for the Advancement of Science (AAAS).
website introduction：Monthly magazine about current science and technology.
website introduction：Advocates the free distribution of science and medical published articles.
website introduction：An online journal publishing peer-reviewed research across all areas of biology and medicine with immediate, barrier-free access for all, plus commentary, reviews, collaboration tools, and database links.
website introduction：Science and technology news from the weekly magazine includes daily updates from around the world. Includes Hot Topics, interviews, book reviews and job listings.
website introduction：A weekly journal that publishes articles on new medical research findings, reviews, and other editorials.
website introduction：Multidisciplinary journal covering the biological, physical, and social sciences. Published biweekly. Archives go back to January 1996. Subscription required for full site access.
website introduction：Science news, articles, current events and future views on technology, space, environment, health, and medicine.
website introduction：MDPI has been publishing scholarly, peer-reviewed open access journals since 1996. Searchable by title, author and article type.
website introduction：Nonprofit science publisher, publishing annual syntheses of the latest developments in 32 fields of science.
website introduction：Digital media company. Scientists speak directly to listeners in daily science podcasts.
website introduction：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.
website introduction：Provides free access to scientific journal articles from Brazil, Chile, Cuba, and Spain.
website introduction：Contain journals, books and publications from Diponegoro University, Indonesia.
website introduction：Publisher of a wide range of peer reviewed journals in the categories; Medical Sciences, Social Sciences, Biological Sciences and Physical Sciences.
website introduction：Provides access to full-text online journals. Searchable by title or by subject or browsable in a subject tree.
website introduction：Contains science articles, online discussion forum, interviews with famous scientists, book reviews and free MP3 downloads of their science radio shows.
website introduction：Repository of the University of California, U.S., offering a broad range of e-books, journals and peer-reviewed scientific documents. Includes submission guidelines, editing assistance and FAQs.
website introduction：Website hosting hundreds of peer-reviewed scholarly journals published in 31 African countries in all academic disciplines. Tables of Contents, abstracts and full text of thousands of articles. AJOL is not for profit, and works to increase global access to Africa's research output.
website introduction：Peer-reviewed, open-access online resource reporting scientific studies from all disciplines. Overview of articles, with guidelines for authors and reviewers.
website introduction：Watch videos, read articles and try interactive features focused on space exploration, health and the human body, Earth science and the environment.