This paper describes a cross-cultural research project on the relation between how people conceptualize nature (their mental models) and how they act in it. Mental models of nature differ dramatically among and within populations living in the same area and engaged in more or less the same...

Anthropological inquiry suggests that all societies classify animals and plants in similar ways. Paradoxically, in the same cultures that have seen large advances in biological science, citizenry's practical knowledge of nature has dramatically diminished. Here we describe historical,...

AS diplomats stitch together a cease-fire between Hamas and Israel, the most depressing feature of the conflict is the sense that future fighting is inevitable. Rational calculation suggests that neither side can win these wars. The thousands of lives and billions of dollars sacrificed in...

Sacred values are different from secular values in that they are often associated with violations of the cost-benefit logic of rational choice models. Previous work on sacred values has been largely limited to religious or territorial conflicts deeply embedded in historical contexts. In this...

Ever since the end of the Second World War, Rational Actor models have dominated strategic thinking at all levels of government policy and military planning. In the confrontation between states, and especially during the Cold War, these models were insightful and useful in anticipating a wide...

Suicide attacks have become more prevalent globally, gaining in strategic importance. Most are religiously motivated, with Islamic Jihadi groups networked to permit ``swarming'' by different groups homing in on multiple targets, then dispersing to form new swarms. The incidence and impact of...

Sacred or protected values have important influences on decision making, particularly in the context of intergroup disputes. Thus far, we know little about the process of a value becoming sacred or why one person may be more likely than another to hold a sacred value. We present evidence that...