Free Speculative Fiction Online is a database of free science fiction and fantasy stories online by published authors (no fan-fiction or stories by unpublished writers). Among the authors that FSFO links to are Paul Di Filippo (14 stories), James Tiptree, Jr. (4 stories), Connie Willis (3 stories), Eleanor Arnason (3 stories), Bruce Sterling (5 stories), Robert Heinlein (7 stories), Ursula K. LeGuin (3 stories), Jonathan Lethem (5 stories), Michael Moorcock (6 stories), Chine Miéville (2 stories), Samuel R. Delany (3 stories), Robert Sheckley (8 stories), MeFite Charles Stross (33 stories) and hundreds of other authors. If you don't know where to start, there's a list of recommended stories.
posted to MetaFilter by Kattullus at 1:52 PM on April 5, 2008 (34 comments)

Brijit is sort of like a MeFi for magazine articles, but each post is 100-words and you get $5-$8 for each post (if you can write a good summary of the article). It is part of a "new" wave in non-algorithmic human-powered filtering of the net.
posted to MetaFilter by stbalbach at 7:14 AM on April 3, 2008 (37 comments)

A Swedish pop song about IRC is resurrected into an English number one hit.
posted to MetaFilter by hugsnkisses at 6:08 AM on March 8, 2008 (63 comments)

Free math courses online, from very basic to brainiac.
posted to MetaFilter by nickyskye at 9:51 PM on February 26, 2008 (19 comments)

Mr. Show skits that became reality . (Warning: mature language)
posted to MetaFilter by boost ventilator at 11:29 AM on February 6, 2008 (43 comments)

The Mechanical Universe...and Beyond is a critically-acclaimed series of 52 thirty-minute videotape programs covering the basic topics of an introductory university physics course. This well produced and highly informative 52 episode series, hosted by David Goodstein of Caltech, is available as Video on Demand (Note: simple registration required to view videos).
posted to MetaFilter by FuturisticDragon at 8:52 AM on February 6, 2008 (28 comments)

y'all are a sexy bunch of people.
posted to MetaTalk by mathowie at 2:44 PM on November 14, 2007 (218 comments)

I liked cortex's song so much I had my band record a backing track for it.
posted to MeFi Music by mexican at 3:50 AM on March 5, 2007 (30 comments)