The work of SFI researchers Jessica Flack, Michelle Girvan, and David Krakauer, along with Frans B. M. de Waal (Emory University), is featured in the January 26, 2006 issue in "Policing Stabilizes Construction of Social Niches in Primates." This work on a group of pigtailed macaques demonstrates how niche construction can modify the behavior of primates within social networks.