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Dow combines the power of science and technology with the "Human Element" to passionately innovate what is essential to human progress. The Company connects chemistry and innovation with the principles of sustainability to help address many...

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world

ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.

OEHHA protects and enhances public health by scientific evaluation of risks posed by hazardous substances

CDC Centers for Disease Control and Prevention - Your Online Source for Credible Health Information

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...

Leica Biosystems brings histopathology laboratories and researchers the highest quality, most comprehensive product range. With complete histology systems featuring innovative automation, NovocastraTM reagents and Surgipath® consumables, Leica Biosy...

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

Tools and Basic Information for Design, Engineering and Construction of Technical Applications