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BioSpace this commercial site emphasizes biotechnology, biosciences and pharmaceuticals. The site also includes selective academic and commercial clinical trial news arranged by phase, and company profiles. Databases site includes gene knockouts, clinical values, heart atlas, periodic table of the elements, etc. Internet Biological Sciences Resources -this site from the California State University Systems is divided into specialty areas within Biology Internet Pilot to Physics iProtocol free service from MIT with protocols in animal studies, biochemistry, bioengineering, bioinformatics, biophysics, cell biology, genetics, molecular biology, and miscellaneous. Free registration is required.