by Me­chas Zam­brano and Roberto — For most Eng­lish speak­ers, CPR would be as­sumed to stand for car­diopul­monary re­sus­ci­ta­tion, of­ten­times a real life saver. But for many read­ers of this blog, the acronym has a whole dif­fer­ent mean­ing. For the last few years, CPR, has stood for the "Can­di­date Phyla Ra­di­a­tion." The dis­cov­ery of the CPR su­per­phy­lum was (and re­mains) one of the most re­mark­able de­vel­op­ments in our grow­ing re­al­iza­tion that the ge­netic di­ver­sity...