News, classes and articles

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News Sources

Phys.org
News in Nanotechnology, Physics, Earth Sciences, Astronomy & Space, Technology, Chemistry, Biology and Other Sciences

Nature
News and abstracts of articles in Nature Magazine

Physics World
The member magazine of the Institute of Physics

Science News

Popular Science and their complete online archive

Classes and tutorials

MIT OpenCourseWare

Open Culture listing of free online courses

Khan Academy
Classes on a wide range of subjects including test prep for SAT, MCAT, GMAT, IIT JEE and NCLEX-RN

Ted Talks
Thousands of talks on fascinating topics

Paul's Online Math Notes

Online sources for peer-reviewed articles

PLOS | Public Library of Science
Open access journals with peer review on a wide variety of subjects

Google Scholar
Search for articles (and case law); citations, abstracts, some with full text (Help)