16. Evolving new organisms via symbiosis. Toby Kiers and Stuart A. West (2015)

14. Leaf bacteria fertilize trees, researchers claim..lizabeth Pennisi, in Yosemite National Park, (2015)

13. Microbes ride the current By Stephen Giovannoni 1 and Diana Nemergut (2015)

12. The missing link in oceanic phosphorus cycling? By Claudia Benitez-Nelson (2015)

11. Searching for new branches on the tree of life. Tanja Woyke and Edward M. Rubin