1.) The social network of cities: who sends delegates where.
2.) Why Nissan chose Microsoft for its all-electric Leaf EV.
3.) Harvard's Matthew Rosen builds an MRI machine that doesn't require a patient to lie down.
4.) Why anti-transportation elections are good for infrastructure.
5.) The Pentagon spends $19 billion to discover that the best bomb detector is a dog.
This post was originally published on Smartplanet.com