A collection of databases of the pathways and genomes of different organisms. The databases are organized into tiers according to the amount of manual review and updating they have received.

Large article database covering all aspects of biology including bacteriology, cell biology, genetics, microbiology, pathology, physiology, toxicology, virology, zoology, and more.

Large medicine and biomedical science database of millions of journal articles back to 1974, including from 2,900 journals not indexed in PubMed; includes coverage of Allied Health subjects.

Covers the biomedical literature from MEDLINE, life science journals, and online books. Also provides access to NCBI databases covering molecular biology. From the NIH's National Library of Medicine.

Online reference work of evaluated methods in organic synthesis developed for the field of organic and organometallic chemistry.

Core research tool for chemistry, biochemistry, chemical engineering, materials science, nanotechnology, physics, environmental science and other disciplines. Registration required.

Large, multidisciplinary database that covers science, technology, medicine, social sciences, and arts and humanities. Includes tools to track, analyze, and visualize research.

Collection of databases indexing scholarly literature in the sciences, social sciences, arts, and humanities, from journals, conference proceedings, symposia, and more. Includes citation network data.

Chemistry journal articles.

Information platform of streaming science video "articles" covering biological, medical, psychological, chemical, and physical research content for scientific research and education.

Archive of scholarly journals and ebooks in the humanities, social sciences, sciences and mathematics. Journal coverage is volume 1 of each title until 3-5 years ago (embargo period varies by title).

The full text of articles in eighteen Royal Society of Chemistry journals may be searched and displayed at this site. RSC journals are among the oldest and most prestigious chemical journals. They ...

Information platform of scientific, technical, and medical research content from journals, books, series, and reference works published by Elsevier.

Contains information about patent applications from around the world. Useful for tracking product development over time or discovering information about emerging products and technology.

Open access database combines scholarly article data (PubMed, CrossRef) with patent data from the U.S. Patent and Trademark Office, World Intellectual Property Organization, and other patent offices.

Information about all US patents (including utility, design, reissue, plant patents and SIR documents) from the first patent issued in 1790 to the most recent issue week.

Citations to unclassified, unlimited documents included in the Defense Technical Information Center's Technical Reports Collection from 1974 to present, and full text documents from 1998 to present.

Provides access to NASA's technical literature, together with scientific and technical information from sites external to NASA to broaden the scope of information available to users.

Technical, scientific, and educational materials from the United States Environmental Protection Agency (EPA).

Large, centralized source of U.S. government-funded scientific, technical, engineering, and business information from more than 200 U.S. government agencies. Covers a wide spectrum of subjects.

Index of journals covering aspects of bacteriology, including biochemistry and genetics, clinical and agricultural applications, immunology, vaccinations, and diseases of human and animals.

The Biotechnology Research Abstracts database provides bibliographic coverage on biotechnology (medical, agricultural, and environmental) and bioengineering. Subject coverage includes: genetic engi...

BRENDA is a collection of enzyme functional data available to the scientific community. The enzymes are classified according to the Enzyme Commission list of enzymes. Nomenclature, reaction and spe...

Covers the world of plants and animals including animal and crop production, breeding, environmental impacts, nutrition, and veterinary science.

Basic reference for chemical and physical data; covers basic constants, units conversion factors, mathematical tables, terminology, organic and inorganic compounds, biochemistry, and more.

Complete tables of contents and bibliographic information from the world's leading scholarly journals and books on the Web of Science platform.

This encyclopedia covers the basics and the latest in genomics, proteomics, genetic engineering, small RNAs, transcription factories, chromosome territories, stem cells, genetic networks, epigeneti...

Scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research from a wide variety of sources.

Microbes both synthesize and exploit a vast range of hydrophobic organics, especially petroleum oil hydrocarbons and industrial pollutants, and the underlying interactions not only have major conse...

Online seminar-style talks and case studies from editors and lecturers who are leading world experts and practitioners from academia, research institutes, commerce, industry, the professions and government.

Performance statistics and trends for scholarly articles based on data derived from journals indexed in Web of Science Core Collection.

Combined search of Current Chemical Reactions (CCR) and Index Chemicus (IC). CCR has single and multi-step new synthetic methods from journals and patents; IC has structures and supporting data for novel organic compounds reported in journals.

Open access database combines scholarly article data (PubMed, CrossRef) with patent data from the U.S. Patent and Trademark Office, World Intellectual Property Organization, and other patent offices.

The protein entries in the Entrez search and retrieval system have been compiled from a variety of sources, including SwissProt, PIR, PRF, PDB, and translations from annotated coding regions in Gen...

Portal to USDA-authored and other agricultural research on nutrition, food safety, animal and crop production, sustainable agriculture, rural development, economic and policy issues, statistics.

PubChem provides information on the biological activities of small molecules. It is a component of NIH's Molecular Libraries Roadmap Initiative. PubChem is organized as three linked databases withi...

Search and retrieval system for chemical compounds, bibliographic data and chemical reactions; incorporates Beilstein and Gmelin data plus organic and organometallic patents from 1976 to the present.

Search NCBI is the integrated, text-based search and retrieval system from NCBI used to search across major databases, including PubMed, PubChem, Online Mendelian Inheritance in Man (OMIM), Nucleot...

Database of over 55,000 biomedical and life sciences laboratory protocols. Includes Methods in Molecular Biology, Methods in Molecular Medicine, Methods in Biotechnology, and more.

The CSD records bibliographic, chemical, and crystallographic information for organic molecules and metal-organic compounds whose 3D structures have been determined using X-ray diffraction and/or n...

Browse or search thousands of ebooks and millions of articles from the life, physical, health, and social sciences, as well as the humanities disciplines.