+http://blog.tedx.com/post/37405280671/a-letter-to-the-tedx-community-on-tedx-and-bad-science
+A letter to the TEDx community on TEDx and bad science
+
+
+http://web.law.duke.edu/cspd/publicdomainday/2013/pre-1976
+What Could Have Entered the Public Domain on January 1, 2013?