Research Guides: Free Databases (all subjects): Science and Technology

General Science

For databases related to a specific science, use the pull down list under the "Science" tab.

Albert Einstein's Complete Papers
"The Einstein Archives Online Website provides the first online access to Albert Einstein’s scientific and non-scientific manuscripts held by the Albert Einstein Archives at the Hebrew University of Jerusalem"
Ciencia.gov
All of Science.gov in Spanish
National Academies Press
Free download of all PDFs in education, science, medicine, engineering and more.
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The National Academies Press (NAP) was created by the National Academies to publish the reports issued by the National Academy of Sciences, the National Academy of Engineering, the Institute of Medicine, and the National Research Council, all operating under a charter granted by the Congress of the United States. The NAP publishes more than 200 books a year on a wide range of topics in science, engineering, and health, capturing the most authoritative views on important issues in science and health policy. The institutions represented by the NAP are unique in that they attract the nation’s leading experts in every field to serve on their award-wining panels and committees. The nation turns to the work of NAP for definitive information on everything from space science to animal nutrition.
Science Daily
Features major headlines and news stories for all scientific disciplines, including laboratory science, environmental science, health science, and computer science. The site features easy sorting options, is updated continuously, and provides thorough source information for all stories.
Science Watch
ScienceWatch.com (updated weekly) provides a behind-the-scenes look at the scientists, journals, institutions, nations, and papers selected by Essential Science IndicatorsSM from Thomson Reuters and other products of the Research Services Group.
Science.gov
"Science.gov searches over 55 databases and over 2100 selected websites from 13 federal agencies, offering 200 million pages of authoritative U.S. government science information including research and development results."