Nuclear explosions and other stuff
"1945-1998" by Isao Hashimoto - Nuclear explosions conducted around the world between, um, 1945 and 1998. A counter on the top keeps track of explosions in each country. [thx, bernd]
Wikipedia's Lamest Edit Wars - David McCandless looks at some petty back and forth. Rectangles represent documents, and are sized by number of edits.
Mood on Twitter - Cartograms representing mood on Twitter over time. Highest level of happy is early morning and late night. Not sure what measure of happiness is though. [thx, sune]
Radiolab and NPR Present Words - Beautiful video from the always entertaining and informative Radiolab. Similar to Moments.