1. INTRODUCTION This book describes a new interdisciplinary theory for explaining cultural change. In contrast to traditional evolutionist theories, the present theory stresses the fact that a culture can evolve in different directions depending on its life conditions. Cultural selection theory explains why certain cultures or cultural ele ments spread, possibly at the expense of other cultures or cultural elements which then disappear. Cultural elements include social structure, traditions, religion, rituals, art, norms, morals, ideologies, ideas, inventions, knowledge, technology, etc. This theory is inspired by Charles Darwin's idea of natural selection, because cultural elements are seen as analogous to genes in the sense that they may be reproduced from generation to generation and they may undergo change. A culture may evolve because certain cultural elements are more likely to spread and be reproduced than others, analogously to a species evolving because individuals possessing certain traits are more fit than others to reproduce and transmit these traits to their offspring.

What is worth remembering? What gets passed down from one generation to another? What does it mean to be human? Culture, Gary Taylor argues, is not what was done but what is remembered, and the social competition among different memories is as dynamically complicated as the struggle for biological survival. That struggle for culture - driven by emotions as basic as grief, pride, and resentment - is the foundation of personal and national identity. Taylor illustrates his arguments by reintroducing us to imaginative achievements that continue to stimulate us long after their creation, from Stonehenge to Hollywood - including Oedipus, Casablanca, the paintings of Velazquez, Michelangelo's sculptures, Japanese literature, Native American narratives, science fiction, the music of Stravinsky, Shakespeare's plays, the Vietnam Veterans Memorial. He also discusses the endurance of social phenomena as disparate as the global impact of the Old Testament and the evolving reputation of Richard Nixon.

A number of scholars have found that concepts such as mutation, selection, and random drift, which emerged from the theory of biological evolution, may also explain evolutionary phenomena in other disciplines as well. Drawing on these concepts, Professors Cavalli-Sforza and Feldman classify and systematize the various modes of transmitting "culture" and explore their consequences for cultural evolution. In the process, they develop a mathematical theory of the non-genetic transmission of cultural traits that provides a framework for future investigations in quantitative social and anthropological science. The authors use quantitative models that incorporate the various modes of transmission (for example, parent-child, peer-peer, and teacher-student), and evaluate data from sociology, archaeology, and epidemiology in terms of the models. They show that the various modes of transmission in conjunction with cultural and natural selection produce various rates of cultural evolution and various degrees of diversity within and between groups. The same framework can be used for explaining phenomena as apparently unrelated as linguistics, epidemics, social values and customs, and diffusion of innovations. The authors conclude that cultural transmission is an essential factor in the study of cultural change.

How do biological, psychological, sociological, and cultural factors combine to change societies over the long run? Boyd and Richerson explore how genetic and cultural factors interact, under the influence of evolutionary forces, to produce the diversity we see in human cultures. Using methods developed by population biologists, they propose a theory of cultural evolution that is an original and fair-minded alternative to the sociobiology debate.

Leading scholars report on current research that demonstrates the central role of cultural evolution in explaining human behavior. Over the past few decades, a growing body of research has emerged from a variety of disciplines to highlight the importance of cultural evolution in understanding human behavior. Wider application of these insights, however, has been hampered by traditional disciplinary boundaries. To remedy this, in this volume leading researchers from theoretical biology, developmental and cognitive psychology, linguistics, anthropology, sociology, religious studies, history, and economics come together to explore the central role of cultural evolution in different aspects of human endeavor. The contributors take as their guiding principle the idea that cultural evolution can provide an important integrating function across the various disciplines of the human sciences, as organic evolution does for biology. The benefits of adopting a cultural evolutionary perspective are demonstrated by contributions on social systems, technology, language, and religion. Topics covered include enforcement of norms in human groups, the neuroscience of technology, language diversity, and prosociality and religion. The contributors evaluate current research on cultural evolution and consider its broader theoretical and practical implications, synthesizing past and ongoing work and sketching a roadmap for future cross-disciplinary efforts. Contributors Quentin D. Atkinson, Andrea Baronchelli, Robert Boyd, Briggs Buchanan, Joseph Bulbulia, Morten H. Christiansen, Emma Cohen, William Croft, Michael Cysouw, Dan Dediu, Nicholas Evans, Emma Flynn, Pieter François, Simon Garrod, Armin W. Geertz, Herbert Gintis, Russell D. Gray, Simon J. Greenhill, Daniel B. M. Haun, Joseph Henrich, Daniel J. Hruschka, Marco A. Janssen, Fiona M. Jordan, Anne Kandler, James A. Kitts, Kevin N. Laland, Laurent Lehmann, Stephen C. Levinson, Elena Lieven, Sarah Mathew, Robert N. McCauley, Alex Mesoudi, Ara Norenzayan, Harriet Over, Jürgen Renn, Victoria Reyes-García, Peter J. Richerson, Stephen Shennan, Edward G. Slingerland, Dietrich Stout, Claudio Tennie, Peter Turchin, Carel van Schaik, Matthijs Van Veelen, Harvey Whitehouse, Thomas Widlok, Polly Wiessner, David Sloan Wilson

Cooperation among humans is one of the keys to our great evolutionary success. Natalie and Joseph Henrich examine this phenomena with a unique fusion of theoretical work on the evolution of cooperation, ethnographic descriptions of social behavior, and a range of other experimental results. Their experimental and ethnographic data come from a small, insular group of middle-class Iraqi Christians called Chaldeans, living in metro Detroit, whom the Henrichs use as an example to show how kinship relations, ethnicity, and culturally transmitted traditions provide the key to explaining the evolution of cooperation over multiple generations.

Tim Lewens explores what it means to take an evolutionary approach to cultural change, and why this approach is often treated with suspicion. He makes an original case for the value of evolutionary thinking for students of culture, and shows why the concerns of sceptics should not dismissed as mere prejudice, confusion, or ignorance.

The Darwinian legacy 1.

One of the twentieth century's most influential books, this classic work of anthropology offers a groundbreaking exploration of what culture is With The Interpretation of Cultures, the distinguished anthropologist Clifford Geertz developed the concept of thick description, and in so doing, he virtually rewrote the rules of his field. Culture, Geertz argues, does not drive human behavior. Rather, it is a web of symbols that can help us better understand what that behavior means. A thick description explains not only the behavior, but the context in which it occurs, and to describe something thickly, Geertz argues, is the fundamental role of the anthropologist. Named one of the 100 most important books published since World War II by the Times Literary Supplement, The Interpretation of Cultures transformed how we think about others' cultures and our own. This definitive edition, with a foreword by Robert Darnton, remains an essential book for anthropologists, historians, and anyone else seeking to better understand human cultures.

The Arthur M. Sackler Colloquia of the National Academy of Sciences address scientific topics of broad and current interest, cutting across the boundaries of traditional disciplines. Each year, four or five such colloquia are scheduled, typically two days in length and international in scope. Colloquia are organized by a member of the Academy, often with the assistance of an organizing committee, and feature presentations by leading scientists in the field and discussions with a hundred or more researchers with an interest in the topic. Colloquia presentations are recorded and posted on the National Academy of Sciences Sackler colloquia website and published on CD-ROM. These Colloquia are made possible by a generous gift from Mrs. Jill Sackler, in memory of her husband, Arthur M. Sackler.