Science & Technology

Science Indexes and Reference Sites

National Science Digital Library

Science.gov -- Science.gov searches over 38 databases and 1,950 selected websites, offering 200 million pages of authoritative U.S. government science information, including research and development results.

Encyclopedia of Life

Librarians' Internet Index

Biodiversity Heritage Library -- 32 million+ digitized pages about plants and animals from publications from 1484 to the present, the site is available for anyone, though biologists, gardeners, and conservationists may find it most useful.

Refdesk

Yahoo! Directory

Academic

arXiv.org -- Cornell University: open access to 685,098 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance and Statistics

Public Library of Science -- The Public Library of Science, or PLOS, “is a nonprofit organization of scientists and physicians committed to making the world’s scientific and medical literature a freely available public resource.” PLOS is comprised of seven peer-reviewed open-access journals including PLOS One, PLOS Biology, and PLOS Medicine. All articles are free “to read, download, copy, distribute, and use (with attribution).”

Agriculture

Nat'l Agricultural Statistics Survey

Agriculture for Kids

NASS for Kids

Animals

Cornell Lab of Ornithology -- Perhaps the most complete and authoritative source for free information about birds available, the Cornell Lab of Ornithology provides information ranging from birding basics to ornithological research and conservation efforts. “All About Birds” is a searchable database including identification, life history, range maps, conservation status, plus sounds and videos, for 585 species of birds.

The IUCN Red List of Threatened Species --The Red List is a compilation of information on plant and animal species threatened with extinction. Each species in the list is assessed at one of the following levels: extinct, extinct in the wild, critically endangered, endangered, vulnerable, near threatened, and least concern. Other useful information provided per species includes taxonomy, geographic range, population, habitat, ecology, threats, and conservation actions.

Biology

Biology Online

Earth Sciences

Digital Library for Earth System Education

Technology Indexes and Reference Sites

National Science Digital Library

Librarians' Internet Index

Yahoo! Directory

Green at Home

US Green Building Council's Green Home Guide

Computers

Clean Up Your Computer

Tips & Tricks - Yahoo! Directory

Digital TV Switch

Countdown to DTV - FAQs, an Outreach Toolkit, and English and Spanish publications

Digital TV Transition and Public Safety Act of 2005 - NTIA

Coupon Program - Digital-to-Analog Converter Box; NTIA

Open Access Science Resources

Federated Searches:

DOE Information Systems – www.osti.gov/collections.html Federated search covering Department of Energy related research, articles and conference proceedings

Science Gov – www.science.gov Searches over 50 U.S. Government science-related databases and websites

Scirus — www.scirus.com Maintained by Elsevier, this federated search covers journals and science related materials from the web

WorldWideScience.Org — www.worldwidescience.org/about.html Federated search developed by the Department of Energy that covers national and international government science resources

Major Science Publisher Open Access Initiatives

Wiley Open Access — www.wileyopenaccess.com

Elsevier Science Direct – www.sciencedirect.com Open access journals are mixed in with subscription titles.

Springer Open ­– www.springeropen.com/journals

Science Journals

BioMed Central — www.biomedcentral.com/journals/bysubject Publisher of 220 open access peer-reviewed science, technology and medicine journals.

Directory of Open Access Journals — www.doaj.org Focus on scientific journals using quality-controlled measures—somewhat spotty but decent international coverage

HighWire — www.highwire.stanford.edu Publishers of 1700+ peer-reviewed science journals—older content is frequently open access

Public Library of Science – www.plos.org Advocacy organization and publisher of 7 high quality peer-reviewed open access journals

Subject Specific Resources

Agricola– www.agricola.nal.usda.gov Agriculture and agriculture-related database from the USDA

arXiv– www.arxiv.org arXiv provides open access to nearly 800,000 e-prints in the area of physics, mathematics, computer science, quantitative biology, quantitative finance and statistics.

CiteSeer — www.citeseer.ist.psu.edu Digital library and search engine focused on computer and information science.

Defense Technical Information Center — www.dtic.mil/dtic A searchable repository for all publicly accessible DOD science and technical research.

Popline — www.popline.org Database covering family planning and reproductive health with excellent international coverage.

PubChem -- www.pubchem.ncbi.nlm.nih.gov The 3 databases in PubChem provide information on the biological activities of small molecules.

PubMed – www.ncbi.nlm.nih.gov/sites/entrez 22 million citations for biomedical literature from MEDLINE, life science journals, and on-line books. Free full text is linked to when available.

Toxnet — www.toxnet.nlm.nih.gov From the United States National Library of Medicine databases on toxicology, hazardous chemicals, environmental health and toxic releases.

TRID — www.trid.trb.org Transportation-related research covering 940,000 records of transportation research worldwide.

UBio — www.ubio.org/index.php?pagename=home Universal Biological Indexer and Organizer uses names and taxonomic intelligence about organisms.