Assorted Links

1. National Geographic Traveler Photo Contest 2012
2. Luis Bettencourt on the Science of Cities
3. Suburban Sprawl and its Causal Effect on Basketball Skills
4. Declining Migration within the US (HT Leo) more here
5. Aerial Photos of U.S. Correctional Facilities
6. Beyond 7 Billion
7. The Price of faith
8. Which nations consume the most water?
9. A World Map of Heavy Metal Density

Metal Bands per 100,00 people