During the twentieth century, Amazonia was widely regarded as relatively pristine nature,
little impacted by human history. This view remains popular despite mounting evidence of …

Many researchers assume that until 10–12,000 years ago, humans lived in small, mobile,
relatively egalitarian bands. This “nomadic-egalitarian model” suffuses the social sciences. It …

Human cooperation is highly unusual. We live in large groups composed mostly of non-
relatives. Evolutionists have proposed a number of explanations for this pattern, including …

Shamans, including medicine men, mediums, and the prophets of religious movements,
recur across human societies. Shamanism also existed among nearly all documented …

As biological and linguistic diversity, the world's cultural diversity is on decline. However, to
date there are no estimates of the rate at which the specific cultural traits of a group …

Recent studies of the evolution of religion have revealed the cognitive underpinnings of
belief in supernatural agents, the role of ritual in promoting cooperation, and the contribution …

GenGIS is free and open source software designed to integrate biodiversity data with a
digital map and information about geography and habitat. While originally developed with …

This paper presents an internal classification of Tupí-Guaraní based on a Bayesian
phylogenetic analysis of lexical data from 30 Tupí-Guaraní languages and 2 non-Tupí …

Psychologists, economists, historians, computer scientists, sociologists, philosophers, and
legal scholars explore the conscious choice not to seek information. The history of …

tqDist is a software package for computing the triplet and quartet distances between general
rooted or unrooted trees, respectively. The program is based on algorithms with running time …