Medical Dictionary is intended for use by healthcare consumers, students, and professionals as well as anyone who wants to keep up with the burgeoning array of terminology found in today’s medical news. By staying clear of jargon, the dictionary offers fast and concise information, whether the user is searching for a description of an over-the-counter or prescription medication, a medical abbreviation, a test procedure, a medical research topic, or an illness. Over 45,000 entries from all areas of medicine and healthcare are included.

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 problems and a glossary. Grow your own crystals. Browse molecular structures. Find articles on chemistry. Find out how things work and get answers to common science questions.

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PolyPeptide Labs is a world leader in the manufacture of polypeptide, custom peptide Synthesis, peptide synthesis and generic peptide : generic GMP peptide and non-GMP peptide.

complete source on Endocrinology, authoritative, constantly up-dated, down-loadable, free, for MDs worldwide.Prepared by world-renowned experts, and visited by thousands of MDs daily. All content can be downloaded for personal use.

Answers.com: Wiki Q&A combined with free online dictionary, thesaurus, and encyclopedias. Ask questions, get answers.

Home Page of NIEHS, the National Institute of Environmental Health Sciences, which conducts basic research on environmental health and environment-related diseases. Links to information on programs, grants, research, events, contracts, employment, training, outreach events, public information.