website introduction：National Library of Medicine / National Institutes of Health. Offers many important databases (PubMed, GenBank, OMIM) and some tools.
website introduction：Clinical experts provide current medical information and news on health topics.
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：Manufacturer of laboratory reagents in all fields of life sciences, including biochemistry, molecular biology, cell culture and cell biology.
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：An international journal, published weekly, with original, groundbreaking research spanning all of the scientific disciplines.
website introduction：Biweekly publication of exceptional research articles in areas including molecular biology, biochemistry, cancer research, cell biology, developmental biology, genetics, immunology, microbiology, neurobiology, plant biology, structural biology and virology.
website introduction：Personal site with miscellaneous botanical content, including photos, educational information about botany, medicinal and poisonous plants, and gardening. In English and Spanish.
website introduction：Conferences, journals, public policy and funding issues, topical reports, and links.
website introduction：The mission of NIDA is to lead the nation in bringing the power of science to bear on drug abuse and addiction.
website introduction：Suite of alignment tools to detect conserved sequences, similar domain architecture, gene expression profiles, and SNP using protein or nucleotide targets. Includes support and archiving of strategies at NCBI, Bethesda, Maryland.
website introduction：Portal for research and services in bioinformatics, with databases of nucleic acid and protein sequences, and macromolecular structures - from the EMBL, Hinxton UK.
website introduction：Articles in this journal deal with biological processes at the biochemical or molecular level. Fulltext accessible after 1 year every January
website introduction：Welcome to human anatomy on-line, a place for fun, interactive and educational views of the human body.
website introduction：Graduate program and current faculty research interests in the areas of developmental, disease, and population genetics; gene regulation; and genome science.
website introduction：Vaccine and antiviral information. Also provides national and international surveillance reports.s.
website introduction：NEB offers restriction endonucleases, recombinant enzymes, PCR reagents, expression systems, markers, competent cells and reagents for RNA analysis, polymerases, modifying enzymes, nucleic acids, RNAi and RNA enzymes with headquarters in Ipswich, MA, USA.
website introduction：Develops tools for the large-scale analysis of genetic variation and function. Products, biographies, careers, and contacts.
website introduction：Virtual tours of the zoo's exhibits and information about the zoo itself.
website introduction：An extensive collection of thousands of videos, images and fact-files illustrating the world's species gathered into one centralised digital library.
website introduction：Provides genome browser, gene sorter, blat search function, and publications.
website introduction：Manufactures and distributes products for a wide range of technologies including proteomics, real time PCR, electrophoresis, imaging, immunoassay, chromatography, microbiology, amplification, clinical informatics, microplate automation, immunofluorescence, molecular and cell biology.
website introduction：A searchable, integrated database of human genes that provides concise genomic, proteomic, transcriptomic, genetic and functional information on all known and predicted human genes.
website introduction：Research is focused on the discovery, development and optimization of the critical technological tools needed to obtain and analyze the massive amounts of genome-related data now available.
website introduction：Abcam plc is a producer and distributor of research-grade antibodies and associated products headquartered in Cambridge, UK, with a US office located in Cambridge, Massachusetts and a Japan office located in Tokyo. Our vision is to build the largest online catalog of the best antibodies in the world. We have over 51,000 products in our catalog, including a growing range of non-antibody products such as proteins, peptides, lysates, slides and kits. Abcam is passionate about science and helping scientists progress in their research. We organize a wide range of events, located all over the world. This enables us to: -create forums for scientists to network and discuss the latest areas of research. -provide greater opportunities for junior scientists to present their work -keep in touch with our customers, and learn how we can improve our products -stay at the cutting edge of research so we can make the highest quality new antibodies!