Assorted links by Tyler Cowen April 15, 2010 at 6:48 am in Web/Tech 1. Free download of first Planet Earth episode. 2. Gallery of food sculptures. 3. Middlebury to partner with for-profit for language instruction. 4. LSU Professor fails 90 percent of students on quizzes, is removed from teaching the class. 5. Arundhati Roy endorses Maoist attack? 6. Most cited book authors in the humanities.