1) 100 essays on economics in Africa via Udadisi
2) Am I wasting my time organizing email?
3) New, completely antibiotic-resistant TB strain discovered in India
4) Randomized control trials in social network research (something I've been arguing for for a while...) via @TheBrowser
5) “In nature, most of the normal signals are sparse.” - Faster fast Fourier transforms out of MIT
6) Groundbreaking or definitive? Journals need to pick one. via Andrew Gelman