One of the interesting things about Rhapsody is that it makes it very easy to dig deep into the back catalog. The library includes classic blues, going all the way back to the dawn of recording technology. The sound quality can be pretty poor, but it's fascinating to hear just how much modern rock owes to people like Willie Dixon and Ma Rainey.

This one falls into the "cool idea, but why" category. Online sticky notes.

Japanese venture capitalist is invited to conference in Rome. Cross-cultural hilarity ensues.

There's origami, and then there's origami. This gallery goes well beyond traditional cranes. (Basic captions in English, but most text in Japanese.)

Sometimes, the most important innovations are the simplest. Advanced lithography is a technological marvel, but it doesn't do much for places where people live on $2 a day. MIT professor Amy Smith, on the other hand, specializes in changing the world, one village at a time.