Nowak, Martin2010-05-052008Nowak, Martin A. 2008. Generosity: A winner's advice. Nature 456: 579.0028-0836http://nrs.harvard.edu/urn-3:HUL.InstRepos:4054434Mathematical models can reveal how prosocial human behaviour — and even social intelligence and language — have evolved, argues Martin A. Nowak.en-USJournal Article2010-05-0510.1038/456579a