China’s pollution problem: it could ‘put an abrupt end to China’s economic growth’ and there’s the minor matter of causing ‘mortal havoc in societies and ecosystems throughout the world.’ (Mother Jones)

Programmable matter via DARPA (Danger Room, Wired)

The hollowing out of families and the middle class in American cities, resulting in ‘places that, despite celebrating diversity, actually could end up as hip, dense versions of the most constipated suburb imaginable.’  (The American)

Throwing at the batter‘–a baseball expression; I suppose the equivalent would be a bodyline ball–and its expression in the workplace (Pink Slip) 

12 of the world’s most fascinating tunnel networks (OOBjects, via BLDGBLOG)