Science-specific Search Engine:

(About Entrez: The Entrez Global Query Cross-Database Search System allows access to databases at the National Center for Biotechnology Information (NCBI) website. NCBI is part of the National Library of Medicine (NLM), itself a department of the National Institutes of Health (NIH). )

(About Scirus: Scirus is the most comprehensive science-specific search engine on the Internet. It searches over 200 million science-specific Web pages, enabling you to 1. Pinpoint scientific, scholarly, technical and medical data on the Web. 2. Find the latest reports, peer-reviewed articles, patents, pre prints and journals that other search engines miss. 3. Offer unique functionalities designed for scientists and researchers. )

(About Google Scholar: Google Scholar enables you to search specifically for scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research. Use Google Scholar to find articles from a wide variety of academic publishers, professional societies, preprint repositories and universities, as well as scholarly articles available across the web)
Chemical and Related Scientific Information Resource:

Academic Databases/E-journals:
1. American Chemical Society

2. American Society for Microbiology
3. Crystallography Journals Online

4. EBSCO Host

5. EnvironetBase-Environmental Sciences Electronic Library (E-books)

6. Index to Theses-A listing of theses with abstracts by universities in Great Britain & Ireland. (E-theses)

7. IngentaConnect

8. MEDLINE and PubMed

9. ProQuest Digital Dissertation (E-theses)

10. Proquest Direct

11. PubMed Central

12. Royal Society of Chemistry

13. Science Direct

14. SpringerLink

15. Wiley InterScience

Classical yet most Influential Inter/multi-disciplinary Journals:
1. Nature (by Nature Publishing Group)
2. Science (by The American Association for the Advancement of Science)
3. PNAS--Proceedings of the National Academy of Sciences (by National Academy of Sciences)