Retrieves molecular biology data and bibliographic citations from the NCBI`s integrated databases.

A national resource for molecular biology information for the better understanding of molecular processes affecting human health and disease.

BLAST (Basic Local Alignment Search Tool) is a set of similarity search programs designed to explore all of the available sequence databases regardless of whether the query is protein or DNA.

Manufacturer of laboratory reagents in all fields of life sciences, including biochemistry, molecular biology, cell culture and cell biology.

Catalogue of journals and science resources, including the journal Nature. Publishes science news and articles across a wide range of scientific fields.

Personal site with miscellaneous botanical content, including photos, educational information about botany, medicinal and poisonous plants, and gardening. In English and Spanish.

Includes catalog of research products, vector maps and sequence data, product manuals and brochures, and forums for gene expression and PCR cloning.

Proteomics server of the Swiss Institute of Bioinformatics. Includes tools for analysis of protein sequences and structures as well as 2-D PAGE.

An online database of animal natural history, distribution, classification, and conservation biology

Fact sheets and photos of 444 species. In English and Dutch.

Good general microbiology information, with images and videos.

Excellent introductory biology text adapted from print version by Dr. John W. Kimball, retired from Harvard University.

An umbilical cord blood banking company with offices in California and other U.S. states.

Conducts research programs on molecular-biological, genetical, biochemical, physiological and cytological aspects of plant development and plant breeding. [English and German versions available.]

An international journal, published weekly, with original, groundbreaking research spanning all of the scientific disciplines.

Determine the gene expression profiles of normal, precancer, and cancer cells. Includes human and mouse genome data, information on methods and resources for reagents, and informatics tools.

Sells supplements and funds/reports on research in life extension and methods to slow and reverse human aging.

The one-stop portal to all your bioinformatics needs: the European Bioinformatics Institute (EMBL-EBI) is a centre for research and services in bioinformatics.

PDB provides a text based format for archiving experimentally-determined, three dimensional structures, at the Brookhaven National Laboratory, with list of mirror sites worldwide.

Searchable global database containing information on 25,585 species (110,000 common names), 71,000 synonyms, 28,000 photos, and 21,000 references.