Scitopia.org - Thirteen scholarly society publishers are working together to create a free federated, vertical search portal capable of accessing some 3 million articles spanning as far back as 150 years, as well as some patents.
PLoS - Public Library of Science - is a nonprofit organization of scientists and physicians committed to making the world's scientific and medical literature a freely available public resource.
arXiv.org - Open access to 467,937 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology and Statistics
CiteSeerX - is a scientific literature digital library and search engine that focuses primarily on the literature in computer and information science.
DOAJ - Directory of Open Access Journals - his service covers free, full text, quality controlled scientific and scholarly journals.
University of Texas Digital Repository - find dissertations and other material produced by UT students and faculty.
ThermoDex - contains records for selected printed and web-based compilations of thermochemical and thermophysical data for chemical compounds and other substances.
NIST Chemistry WebBook - This site provides thermochemical, thermophysical, and ion energetics data compiled by NIST under the Standard Reference Data Program.
MSDS and Chemical Information - Material Safety Data Sheets are extremely important in the safe handling of hazardous substances
PubMed - is a service of the U.S. National Library of Medicine that includes over 17 million citations from MEDLINE and other life science journals for biomedical articles back to the 1950s. PubMed includes links to full text articles and other related resources.
Selected Government Sites
Science Accelerator - searches science, including R&D results, project descriptions, accomplishments, and more, via resources made available by the Office of Scientific and Technical Information (OSTI), U.S. Department of Energy.
Science and Engineering Statistics - National Science Foundation - publications, data, and analyses about the nation's science and engineering resources.
FedStats - "Celebrating 10 years of making statistics from more than 100 agencies available to citizens everywhere."
NASA Technical Reports Server (NTRS)- The NTRS collects scientific and technical information from NASA's technical report servers and non-NASA sites. Some full text is available.
Department of Energy (DOE) Information Bridge- provides access to full-text DOE research and development reports produced by the DOE and the DOE contractor research and development community in physics, chemistry, materials, biology, environmental sciences, energy technologies, engineering, computer and information science, renewable energy, and other topics.
Science & Society Picture Library - represents the collections of the Science Museum, the National Railway Museum and the National Museum of Photography, Film & Television - as well as a variety of related collections
Image and Meaning - The Image and Meaning events are part of the Envisioning Science Project in the School of Science at the Massachusetts Institute of Technology.
iLumina - is a digital library of sharable undergraduate teaching materials for chemistry, biology, physics, mathematics, and computer science. It is designed to quickly and accurately connect users with the educational resources they need. These resources range in type from highly granular objects such as individual images and video clips to entire courses.
cogito.org - Webcast lectures and educational programs available on demand
