We're talking about the ways warfare can build bonds in tribal societies, and how air pollution can have devastating effects in our modern world.
We're joined first by Shane MacFarlan, who studies the ecology of cooperation and conflict in small-scale societies at the University of Utah. Joining us also is Claire Leiser, a Utah native who is now a research analyst at the Utah Population Database at the Huntsman Cancer Institute.
Each week on UnDisciplined, we bring together two researchers from different fields of study to tell us about their latest findings.