The OER Commons exists to help educators "find free-to-use teaching and learning content from around the world." Thousands of primary, secondary and post-secondary activities, labs, lecture notes, assignments and other educational materials are available by searching or browsing the OER site.
posted by cog_nate on Oct 16, 2009 - 7 comments

EduChoices offers some good free stuff online: 25 Places to Read Free Books Online l 50 Online Writing Websites for New Writers l Ranking of 20 Universities that Offer Free Courses Online (with links to the free courses), as well as information about university courses etc. l Great Reference Sites Other Than Wikipedia l Free Linux Tutorials for Beginners l Useful Online Calculators For Almost Every Educational and Life Need. [more inside]
posted by nickyskye on Nov 3, 2008 - 7 comments

Basic Concepts in Science: A List A regularly updated list of blog entries explaining the basics of science and mathematics.
posted by LeeJay on Jan 25, 2008 - 16 comments

Librarian Chick is a blogger who has put together a wiki of literally hundreds of online learning sources with over twenty categories for "students, educators & anyone else who's hip to learning." [more inside]
posted by jonson on Sep 21, 2007 - 18 comments

MIT World (not the same as OpenCourseWare). And don't miss LSE, CMU, and Connexions. Still bored? Don't forget ResearchChannel, Vega, and Wikiversity. Do you care for psychology, biology, geology, or math? Or maybe you prefer journals, papers, textbooks, or podcasts? Knowledge is useful and wonderful.
posted by foraneagle2 on Feb 23, 2006 - 27 comments

Chances are, of all the things you've heard about masturbation, most of them were absolutely false. For some reason, misinformation surrounds masturbation like virtually no other topic. Since JackinWorld's goal is to debunk misinformation, here are some of the myths commonly believed about masturbation — and the truth about each. All you ever really wanted to know about something we all already know plenty about. NSFW.
posted by ColdChef on Nov 26, 2005 - 115 comments