http://www.psychologicalscience.org/media/releases/2005/pr05...
http://fivethirtyeight.com/features/in-the-end-people-may-re...
http://www.telegraph.co.uk/news/science/science-news/3336375...
http://conf.som.yale.edu/obsummer07/PaperBen-NerKramer.pdf