Assorted links

1. Departments’ characteristics that make researchers more productive (via @ADEH)
   
   
2. "3% of users post 60% of all content to Twitter" and other pitfalls in analyzing Big Data
   
   
3. A World of Rising Health Care Costs
   
   
4. The Coolest Transit Ad Ever
   
   
5. How academics can engage with policy
   
   
6. The gravity equation for on-line education
   
   
7. "Using Internet Explorer leads to murder" and 9 other Bizarre Correlations (via The Drunkeynesian)

[Image Credit: Gizmodo]