Mini-post-it modular-origami Menger sponge, completed to three levels and nicely photographed by Nicholas Rougeux. Via BoingBoing.

Nikon's top 20 microphotographs of the year. Via Wired.

Music generated algorithmically from a single line of code. Ok, it's a bit low-res and repetitive but some of it would make great ringtones. Via pinboard.

Starlings can recognize context-free languages. Via a metafilter thread about a joke Chomsky/Foucault video (really).