Biosphere complexity: A new approach towards a definition of life Thomas Böttcher, University of Konstanz, DE - Vilinius, April 25th - CONFERENCE: FROM STAR AND PLANET FORMATION TO EARLY LIFE - The conference constitutes the yearly meeting of the COST Action "Origins and Evolution of Life in the Universe" and the Nordic Network of Astrobiology, 25-28 April 2016, Vilnius, Lithuania