Assorted links by Tyler Cowen November 5, 2014 at 12:14 pm 1. Is Korean evolving into two different languages? Can it be held together? 2. Dry cell powered cardboard train. 3. Birds found using human musical scales. 4. What does ngdp “cause”? 5. What are the most left-wing and right-wing professions? 6. Hayek’s message for victorious Republicans.