The Tyler Cowen

1. Self-evidently, depressingly, hilarious. Via Marginal Revolution. 
2. How a new generation of tennis strings is changing the way the game is played. Via The Browser. 
3. Is the tone shifting in North Korea? 
4. An EXTREMELY dorky (but nonetheless interesting) description of the passive tense in English. Via The Browser. 
5. 360 degree interactive helicopter ride in Canada. Via The Awesomer.