http://www.citizensciencecenter.com/27-places-to-get-a-free-science-education ;
Start your science education nowBrightstorm: More than 600 videos at the high school level in biology, chemistry, and physics.
Open Learning Initiative: College-level courses in 12+ areas, ranging from argument diagramming to statistical reasoning. By Carnegie Mellon University.
Connexions: A huge collection of small knowledge chunks called modules, in dozens of subjects.
CosmoLearning: A good science education aggregation site, which lists more than 515 courses from around the globe in every conceivable topic.
Johns Hopkins: The open courseware initiative for Johns Hopkins university, which focuses on medical science topics.
Learners TV: Videos, lecture notes, course descriptions on everything from biology to that dismal science, economics.
Open Learn: Eight pages of free science courses from Open University in the UK.
Math.com: Everything from everyday math to trigonometry, with a few fun math games thrown in for good measure. There’s also a store where you can buy books, CDs, software, etc.
Merlot: Where do teachers and professors swap their best stuff? At the Merlot repository. You can grab some learning goodies too.
MIT: More than 2100 courses available here, with the majority being science related. Undergraduate and graduate level material.
HippoCampus: A variety of high school and college level courses from the US National Repository of Courses Online.
Yale: This list includes videos, suggested readings, and practice problems, free from an Ivy League school.
University of Michigan: A good list of material focusing on health sciences at the college level.
University of California at Irvine: Here, you can learn about the physical sciences, engineering sciences, and computer sciences.
University of California at Berkeley: Everything from anthropology to robotics here.
Stanford Engineering: Stanford School of Engineering is offering some of its most popular courses online for free.
TED: Technology, education, and design talks from some of the most interesting people in the world.
Science NetLinks: For the children in your life, free K-12 science education from the American Association for the Advancement of Science (AAAS).
Science media: Me, I prefer books over video. But which ones? Find top notch reviews of science books and films, also brought to you by the AAAS.
Udacity: If you’re looking for a different kind of learning experience, this one focuses on problem-solving, rather than lectures. Centered around computer science.
University of the People: A tuition-free university designed to democratize education. There are fees to apply and take exams, but these max out at $100. At posting time, they were offering an undergraduate computer science degree.
Coursera: A consortium of US universities offering video lecture-based courses online in several science-related areas.
EdX: MIT and Harvard will be joining forces to offer free courses to a global audience. No material available yet, but this will almost certainly be worth bookmarking for future reference.
Khan Academy: With more than 3200 videos, you could spend months on this site alone. There’s a smidgen of K-12 material, but the rest is high school and college level.
SciTable: Nature magazine brings you material on cell biology and genetics.
YouTube Edu: Believe it or not, there’s more to YouTube than cute kittens. Have a look at the Edu channel for a wide variety of lectures.
iTunes University: Carry your university-level education in your pocket. The link here points to the web page, but a search for iTunes University in the Apple App Store on your favourite device will get you there too.
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