Second Life educational sites
- A wiki summary of the Top educational sites in Second Life.
- The international spaceflight museum island
- The Ivory Tower of Building Primitives
Not just a useful tutorial on the basics of creating objects but is also an interesting use of space to lay out some complex instructions.
- Health Information: HealthInfo Island
I had a good conversation with the librarian there, this is some initiative from a Dutch university at Gronigen. They have an academic Medical Library and a Consumer Health Library in this SL space.