Lots of assorted links today by Tyler Cowen March 12, 2014 at 11:53 am in 1. Meet the two artists living in a giant hamster wheel. And decentralized Bitcoin prediction markets. 2. Do women respond more to grades than do men? And Ph.d. candidates as fashion models. And new and fairly comprehensive study of the economics of the sex trade. 3. Useful origami microscope for less than a dollar. 4. Winkbooks, a new book review site, I believe from Boing Boing and Wired. 5. With proper adjustments, cohabitation before marriage does not predict divorce. 6. Full transcript and video of the Edward Snowden talk. And has Snowden improved our cyberdefense credibility? 7. The world’s longest high-speed rail line has just opened in China. 8. Company reverses drug decision.