n structured populations. J theor Biol 259: 570-581. 250. Taylor C, MA Nowak (2009). How to evolve cooperation. pages 41-56. In Games, Groups, and the Global Good, ed. S Levin. New York: Springer. 251. Traulsen A, C Hauert, H Brandt De Silva, MA Nowak, K Sigmund (2009). Exploration dynamics in evolutionary ga