This has been going on for a while, with several HN submissions over the years, but this time the article (&quot;Received 17 May 2014, Accepted 19 November 2014, Published 20 January 2015&quot;) has pictures of the letters that can be seen, still quite fuzzy:<p><a href="http:&#x2F;&#x2F;www.nature.com&#x2F;ncomms&#x2F;2015&#x2F;150120&#x2F;ncomms6895&#x2F;images&#x2F;ncomms6895-f3.jpg" rel="nofollow">http:&#x2F;&#x2F;www.nature.com&#x2F;ncomms&#x2F;2015&#x2F;150120&#x2F;ncomms6895&#x2F;images&#x2F;n...</a><p><a href="http:&#x2F;&#x2F;www.nature.com&#x2F;ncomms&#x2F;2015&#x2F;150120&#x2F;ncomms6895&#x2F;images&#x2F;ncomms6895-f4.jpg" rel="nofollow">http:&#x2F;&#x2F;www.nature.com&#x2F;ncomms&#x2F;2015&#x2F;150120&#x2F;ncomms6895&#x2F;images&#x2F;n...</a>