Assorted Links #5

• Why the poor pay more for things than the average American
• Rice Fields of Japan 
• Denmark Introduces Harrowing New Tourism Ads Directed By Lars Von Trier 
• How the EU is funded and spends its money by country
• 'Crash' inspires London exhibition
• Foursquare explained
• Your Avatar Can Influence Real-World Behavior
• 'The Warcraft Civilization'
• NASA | Piecing Together the Temperature Puzzle