http://blogs.ei.columbia.edu Thu, 23 May 2013 21:18:00 +0000 en-US hourly 1 http://wordpress.org/?v=3.5.1 http://blogs.ei.columbia.edu/2012/02/02/malaria-and-the-mason-dixon/ http://blogs.ei.columbia.edu/2012/02/02/malaria-and-the-mason-dixon/#comments Thu, 02 Feb 2012 17:10:45 +0000 CERC Guest Blogger http://blogs.ei.columbia.edu/?p=22120 When push came to shove, it was a microscopic virus that would draw the frontiers of a nation, and help to decide the life and livelihood of millions upon millions of the Americans who came to live there.]]> http://blogs.ei.columbia.edu/2012/02/02/malaria-and-the-mason-dixon/feed/ 0