Earlier link here: http://news.ycombinator.com/item?id=1097476 http://news.ycombinator.com/item?id=1097476 That links to an article at the institution that did

Earlier link here: http://news.ycombinator.com/item?id=1097476 http://news.ycombinator.com/item?id=1097476 That links to an article at the institution that did the study rather than a media report, and contains a link to the actual paper.