Entropic effects in a nonequilibrium system: Flocks of birds 23 May, 2016 Nom de la revue Physical Review E Michele Castellana, William Bialek, Andrea Cavagna, Irene Giardina DOI 10.1103/physreve.93.052416 Teams / Core Facilities Physical Approach of Biological Problems PIERRE SENS Members Image MICHELE CASTELLANA Permanent Researcher