Interesting article. My excuse for posting the link here is the mealy bug connection (though the article's not really about mealy bugs).
http://www.nytimes.com/2013/07/04/science/how-simple-can-life-get-its-complicated.html?_r=0
http://www.nytimes.com/2013/07/04/science/how-simple-can-life-get-its-complicated.html?_r=0
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