The major index for biomedical literature...

The major index for biomedical literature...

Incorporating Biological Abstracts and Biological Abstracts/RRM, this database provides broad coverage of all life science research...

Coverage of core journals in all areas of science...

A service of the National Library of Medicine that provides access to over 14 million citations from MEDLINE and additional life sciences journals...

Indexes articles and citations from over 5300 international scientific journals...

"The world's most comprehensive index to zoological literature" covering the years 1993-2008...

"Animal Diversity Web (ADW) is an online database of animal natural history, distribution, classification, and conservation biology at the University of Michigan...

"This guide presents extensive data on the habitats and ecosystems of more than 1,200 species identified as endangered or threatened by the US Fish and Wildlife service...

Full text access to some of the essential reference works in the Biological Sciences, published by the Oxford University Press...

Searchable full-text journals, from their first year until about 5 years ago...

"Explains biological concepts and explores related fields as well as the history of biological science...

Searchable full-text journals covering various years from the 1990s to the present...

Directory of websites for scholarly societies dealing with all aspects of biology...

Designed for high school and college students, this site provides several interactive tutorials on subjects including human biology, biochemistry, cell biology, and toxicology...

BIOME offers free access to a searchable catalog of Internet sites and resources covering the health and life sciences...

Online dictionary of terms dealing with biochemistry, biotechnology, botany, cell biology, and genetics over 8300+ definitions...

This site includes overviews and descriptions of insects and their characteristics, educational resources, and links to other insect-related sites...

Contains MSDS sheets for over 40,000 pure substances and 85,000 mixtures, drugs, explosives, infectious substances, WMDs, foods, and more in 20 languages...

Citing Medicine provides assistance to authors in compiling lists of references for their publications, to editors in revising such lists, to publishers in setting reference standards for their authors and editors, and to librarians and others in formatting bibliographic citations...

Searchable full-text journals covering various years from the 1990s to the present...

Identifies the trees and shrubs of North America, using simple identification keys...

DOE Information Bridge, a component of EnergyFiles, provides free, convenient, and quick access to full-text and bibliographic records of DOE research and development reports in physics, chemistry, materials, biology, environmental sciences, energy technologies, engineering, computer and information science, renewable energy, and other topics...

Online version of the 5th edition (2004)"including biographies of key scientists, it provides comprehensive coverage of biology, biophysics, and biochemistry, as well as key terms from medicine and palaeontology...

Comprehensive and current definitions for terms dealing with ecology, evolution and systematics...

A comprehensive glossary of radiology terminology...

More than 1,300 entries covering "all areas of science, from physics and astronomy to medicine and ecology, including key figures in the fields of mathematics and technology...

A dictionary of biological concepts with citations to the literature; entries do not include full definitions, but do describe the basic topic...

An extensive bibliography on biogeography with live links to many of the resources...

The Earth Portal is a comprehensive resource for timely, objective, science-based information about the environment...