Some things are funny—jokes, puns, sitcoms, Charlie Chaplin, The Far Side, Malvolio with his yellow garters crossed—but why? Why does humor exist in the first place? Why do we spend so much of our time passing on amusing anecdotes, making wisecracks, watching The Simpsons? In Inside Jokes, Matthew Hurley, Daniel Dennett, and Reginald Adams offer an evolutionary and cognitive perspective. Humor, they propose, evolved out of a computational problem that arose when our long-ago ancestors were furnished with open-ended thinking. Mother Nature—aka natural selection—cannot just order the brain to find and fix all our time-pressured misleaps and near-misses. She has to bribe the brain with pleasure. So we find them funny. This wired-in source of pleasure has been tickled relentlessly by humorists over the centuries, and we have become addicted to the endogenous mind candy that is humor.
Hurley, Dennett, and Adams describe the evolutionary reasons for humor and for laughter. They examine why humor is pleasurable and desirable, often sharable, surprising, playful, nonsensical, and insightful. They give an "inside," mechanistic account of the cognitive and emotional apparatus that provides the humor experience, and they use it to explain the wide variety of things that are found to be humorous. They also provide a preliminary sketch of an emotional and computational model of humor, arguing that (Star Trek's Data to the contrary) any truly intelligent computational agent could not be engineered without humor.

This book revises the traditional view of consciousness by claiming that Cartesianism and Descartes' dualism of mind and body should be replaced with theories from the realms of neuroscience, psychology and artificial intelligence. What people think of as the stream of consciousness is not a single, unified sequence, the author argues, but "multiple drafts" of reality composed by a computer-like "virtual machine". Dennett considers how consciousness could have evolved in human beings and confronts the classic mysteries of consciousness: the nature of introspection, the self or ego and its relation to thoughts and sensations, and the level of consciousness of non-human creatures.

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'A grain in the balance will determine which individual shall live and which shall die...'. Darwin's theory of natural selection issued a profound challenge to orthodox thought and belief: no being or species has been specifically created; all are locked into a pitiless struggle for existence, with extinction looming for those not fitted for the task. Yet 'The Origin of the Species' (1859) is also a humane and inspirational vision of ecological interrelatedness, revealing the complex mutual interdependencies between animal and plant life, climate and physical environment, and - by implication - within the human world. Written for the general reader, in a style which combines the rigour of science with the subtlety of literature, 'The Origin of the Species' remains one of the founding documents of the modern age.

This book contains the most sustained and serious attack on mainstream, neoclassical economics in more than forty years. Nelson and Winter focus their critique on the basic question of how firms and industries change overtime. They marshal significant objections to the fundamental neoclassical assumptions of profit maximization and market equilibrium, which they find ineffective in the analysis of technological innovation and the dynamics of competition among firms. To replace these assumptions, they borrow from biology the concept of natural selection to construct a precise and detailed evolutionary theory of business behavior. They grant that films are motivated by profit and engage in search for ways of improving profits, but they do not consider them to be profit maximizing. Likewise, they emphasize the tendency for the more profitable firms to drive the less profitable ones out of business, but they do not focus their analysis on hypothetical states of industry equilibrium. The results of their new paradigm and analytical framework are impressive. Not only have they been able to develop more coherent and powerful models of competitive firm dynamics under conditions of growth and technological change, but their approach is compatible with findings in psychology and other social sciences. Finally, their work has important implications for welfare economics and for government policy toward industry.

In the three lectures which give their title to this delightful collection of esays, the author of "The Enchanted Voyage" and "The Itinerate Ivory Tower" turns his attention to the influence of the environment on the course of evolution. The first lecture considers the nature of the terrestrial biosphere, both as a unique phenomenon on earth and as one of a class of possible spaces on other bodies; the second examines the nature of the ecological niche; and the third discusses some of the possible environmental interactions of a single species, emphasis being placed on the extremely recondite nature of the selective forces that act on man, as on other animals. Another of the pieces deals with the problem of the relation of natural beauty to works of art, particularly in the context of the similarities and differences apparent when natural history museums and art galleries are compared. The final essay, "The Cream in the Gooseberry Fool," is an account of the role of an English country clergyman and of the European magpie most in one of the most significant early discoveries of genetics.

Representative of the international acclaim accorded Ernst Mayr's "Animal Species and Evolution," published in 1963, is Sir Julian Huxley's description of it as "a magistral book... certainly the most important study of evolution that has appeared in many years--perhaps since the publication of "The Origin of Species."" In his extraordinary book, Mr. Mayr fully explored, synthesized, and evaluated man's knowledge about the nature of animal species and the part they play in the process of evolution. Now, in this long-awaited abridged edition, Mr. Mayr's definitive work is made available to the interested nonspecialist, the college student, and the general reader. The author has retained the dominant themes of his original study--themes now more widely accepted than they were in 1963: the species is the most important unit of evolution; individuals (and not genes) are the targets of natural selection, hence the fitness of "a" gene is a nebulous if not misleading concept; and the most important genetic phenomena in species are species-specific regulatory systems that give species internal cohesion. Each of the twenty chapters of the original edition has been revised; six have been extensively reworked. Discussions of peripheral subjects and massive citations of the literature have been eliminated, but the glossary has been greatly expanded. The focal point of the volume is, naturally, the species--a reproductively isolated aggregate of interbreeding populations. Presenting an overview of evolutionary biology in Chapter 1, Mr. Mayr then considers the nature of species, their population structure, their biological interactions, the multiplication of species, and their role in evolution. Because of the impossibility of experimenting with man and because an understanding of man's biology is indispensable for safeguarding his future, emphasis throughout the book is placed on those findings from higher animals which are directly applicable to man. The last chapter, "Man as a Biological Species," is of particular interest to the general reader. Mr. Mayr concludes that while modern man appears to be as well adapted for survival purposes as were his ancestors, there is much evidence to suggest that he is threatened by the loss of his most typically human characteristics.

The world's most revered and eloquent interpreter of evolutionary ideas offers here a work of explanatory force unprecedented in our time--a landmark publication, both for its historical sweep and for its scientific vision. With characteristic attention to detail, Stephen Jay Gould first describes the content and discusses the history and origins of the three core commitments of classical Darwinism: that natural selection works on organisms, not genes or species; that it is almost exclusively the mechanism of adaptive evolutionary change; and that these changes are incremental, not drastic. Next, he examines the three critiques that currently challenge this classic Darwinian edifice: that selection operates on multiple levels, from the gene to the group; that evolution proceeds by a variety of mechanisms, not just natural selection; and that causes operating at broader scales, including catastrophes, have figured prominently in the course of evolution. Then, in a stunning "tour de force" that will likely stimulate discussion and debate for decades, Gould proposes his own system for integrating these classical commitments and contemporary critiques into a new structure of evolutionary thought. In 2001 the Library of Congress named Stephen Jay Gould one of America's eighty-three Living Legends--people who embody the "quintessentially American ideal of individual creativity, conviction, dedication, and exuberance." Each of these qualities finds full expression in this peerless work, the likes of which the scientific world has not seen--and may not see again--for well over a century.

There aren't many scientists famous enough in their lifetime to be canonized by the US Congress as one of America's 'living legends'. It is still more unlikely that the title should have been conferred on a man regarded by many in the US as a notorious radical and sometime Marxist - controversial throughout his life as a theorist and polemicist even amongst colleagues in his own chosen fields of palaeontology and evolutionary theory. Yet few would have grudged this accolade to Stephen Jay Gould, whose writings on history - both of the natural world and of the study of that natural world - had made him a household name by the time of his death in 2002. And not just in the Anglophone world, for his books and articles have been widely translated and read in their hundreds of thousands in every society in which debate about evolution and the human condition are the stuff of intellectual life. Gould's written legacy is prodigious - the unbroken series of 300 essays published in "Natural History" magazine, a clutch of books culminating in the monumental 1400 page "Structure of Evolutionary Theory", appearing just months before his death, and of course his academic papers. A committed Darwinian and robust critic of creationist myths, he nevertheless made major revisions to orthodox Darwinian theory, from his concept of punctuated equilibrium to his insistence on the importance of chance in the history of life on earth. And in addition, his trenchant attacks on scientific racism and the pretensions of sociobiology still resonate, nearly three decades after they were first written. In the "Stephen Jay Gould Reader", Steven Rose and Paul McGarr have selected from across the full range of Gould's writing, including some of the most famous of his essays and extracts from his major books. An introduction by Steven Rose sets both the essays, and Gould's life, in context.

When published in 1981, The Mismeasure of Man was immediately hailed as a masterwork, the ringing answer to those who would classify people, rank them according to their supposed genetic gifts and limits. Yet the idea of biology as destiny dies hard, as witness the attention devoted to The Bell Curve, whose arguments are here so effectively anticipated and thoroughly undermined. In this edition, Stephen Jay Gould has written a substantial new introduction telling how and why he wrote the book and tracing the subsequent history of the controversy on innateness right through The Bell Curve. Further, he has added five essays on questions of The Bell Curve in particular and on race, racism, and biological determinism in general. These additions strengthen the book's claim to be, as Leo J. Kamin of Princeton University has said, "a major contribution toward deflating pseudo-biological 'explanations' of our present social woes."

The field of molecular evolution has experienced explosive growth in recent years due to the rapid accumulation of genetic sequence data, continuous improvements to computer hardware and software, and the development of sophisticated analytical methods. The increasing availability of large genomic data sets requires powerful statistical methods to analyze and interpret them, generating both computational and conceptual challenges for the field.
Computational Molecular Evolution provides an up-to-date and comprehensive coverage of modern statistical and computational methods used in molecular evolutionary analysis, such as maximum likelihood and Bayesian statistics. Yang describes the models, methods and algorithms that are most useful for analysing the ever-increasing supply of molecular sequence data, with a view to furthering our understanding of the evolution of genes and genomes. The book emphasizes essential concepts rather than mathematical proofs. It includes detailed derivations and implementation details, as well as numerous illustrations, worked examples, and exercises. It will be of relevance and use to students and professional researchers (both empiricists and theoreticians) in the fields of molecular phylogenetics, evolutionary biology, population genetics, mathematics, statistics and computer science. Biologists who have used phylogenetic software programs to analyze their own data will find the book particularly rewarding, although it should appeal to anyone seeking an authoritative overview of this exciting area of computational biology.

Evolutionary science lies at the heart of a modern understanding of the natural world. Darwin’s theory has withstood 150 years of scientific scrutiny, and today it not only explains the origin and design of living things, but highlights the importance of a scientific understanding in our culture and in our lives.
Recently the movement known as “Intelligent Design” has attracted the attention of journalists, educators, and legislators. The scientific community is puzzled and saddened by this trend–not only because it distorts modern biology, but also because it diverts people from the truly fascinating ideas emerging from the real science of evolution. Here, join fifteen of our preeminent thinkers whose clear, accessible, and passionate essays reveal the fact and power of Darwin’s theory, and the beauty of the scientific quest to understand our world.

How does life prosper in a complex and erratic world? While we know that nature follows patterns - such as the law of gravity - our everyday lives are beyond what known science can predict. We nevertheless muddle through even in the absence of theories of how to act. But how do we do it? In Probably Approximately Correct, computer scientist Leslie Valiant presents a masterful synthesis of learning and evolution to show how both individually and collectively we not only survive, but prosper in a world as complex as our own. The key is "probably approximately correct" algorithms, a concept Valiant developed to explain how effective behavior can be learned. The model shows that pragmatically coping with a problem can provide a satisfactory solution in the absence of any theory of the problem. After all, finding a mate does not require a theory of mating. Valiant's theory reveals the shared computational nature of evolution and learning, and sheds light on perennial questions such as nature versus nurture and the limits of artificial intelligence.