This is the first comprehensive treatment of a major order of arachnids featuring more than 6,000 species worldwide, familiar in North America as daddy-longlegs but known scientifically as the Opiliones, or harvestmen. The 25 authors provide a much-needed synthesis of what is currently known about these relatives of spiders, focusing on basic conceptual issues in systematics and evolutionary ecology, making comparisons with other well-studied arachnid groups, such as spiders and scorpions.

Broad in scope, the volume is aimed at raising relevant questions from a diversity of fields, indicating areas in which additional research is needed. The authors focus on both the unique attributes of harvestmen biology, as well as on biological studies conducted with harvestmen species that contribute to the understanding of behavior and evolutionary biology in general. By providing a broad taxonomic and ecological background for understanding this major arachnid group, the book should give field biologists worldwide the means to identify specimens and provide an invaluable reference for understanding harvestmen diversity and biology.

The secrets locked in our genes are being revealed, and we find ourselves both enthused and frightened about what that portends. We look forward to curing disease and alleviating suffering—for our children as well as for ourselves—but we also worry about delving too deeply into the double helix. Abuses perpetrated by eugenicists—from involuntary sterilization to murder—continue to taint our feelings about genetic screening.

Yet, as Ruth Schwartz Cowan reveals, modern genetic screening has been practiced since 1960, benefiting millions of women and children all over the world. She persuasively argues that new forms of screening—prenatal, newborn, and carrier testing—are both morally right and politically acceptable. Medical genetics, built on the desire of parents and physicians to reduce suffering and increase personal freedom, not on the desire to “improve the human race,” is in fact an entirely different enterprise from eugenics.

Cowan’s narrative moves from an account of the interwoven histories of genetics and eugenics in the first half of the twentieth century, to the development of new forms of genetic screening after mid-century. It includes illuminating chapters on the often misunderstood testing programs for sickle cell anemia, and on the world’s only mandated premarital screening programs, both of them on the island of Cyprus.

Neither minimizing the difficulty of the choices that modern genetics has created for us nor fearing them, Cowan bravely and compassionately argues that we can improve the quality of our own lives and the lives of our children by using the modern science and technology of genetic screening responsibly.

As anyone who takes up a new sport quickly discovers, even basic athletic moves require high levels of coordination and control. Whether dribbling a basketball or hitting a backhand, limbs must be synchronized and bodies balanced, all with precise timing. But no matter how diligently we watch the pros or practice ourselves, the body’s inner workings remain invisible.

The Hidden Mechanics of Exercise reveals the microworld of the human body in motion, from the motor proteins that produce force, to the signaling molecules that activate muscles, to the enzymes that extract energy from nutrients. Christopher Gillen describes how biomolecules such as myosin, collagen, hemoglobin, and creatine kinase power our athletic movements. During exercise, these molecules dynamically morph into different shapes, causing muscles, tendons, blood, and other tissues to perform their vital functions. Gillen explores a wide array of topics, from how genetic testing may soon help athletes train more effectively, to how physiological differences between women and men influence nutrition. The Hidden Mechanics of Exercise tackles questions athletes routinely ask. What should we ingest before and during a race? How does a hard workout trigger changes in our muscles? Why does exercise make us feel good?

Athletes need not become biologists to race in a triathlon or carve turns on a snowboard. But Gillen, who has run ten ultramarathons, points out that athletes wishing to improve their performance will profit from a deeper understanding of the body’s molecular mechanisms.

Are humans by nature hierarchical or egalitarian? Hierarchy in the Forest addresses this question by examining the evolutionary origins of social and political behavior. Christopher Boehm, an anthropologist whose fieldwork has focused on the political arrangements of human and nonhuman primate groups, postulates that egalitarianism is in effect a hierarchy in which the weak combine forces to dominate the strong.

The political flexibility of our species is formidable: we can be quite egalitarian, we can be quite despotic. Hierarchy in the Forest traces the roots of these contradictory traits in chimpanzee, bonobo, gorilla, and early human societies. Boehm looks at the loose group structures of hunter-gatherers, then at tribal segmentation, and finally at present-day governments to see how these conflicting tendencies are reflected.

Hierarchy in the Forest claims new territory for biological anthropology and evolutionary biology by extending the domain of these sciences into a crucial aspect of human political and social behavior. This book will be a key document in the study of the evolutionary basis of genuine altruism.

This fourth volume in the series exploring religions and the environment investigates the role of the multifaceted Hindu tradition in the development of greater ecological awareness in India.

The twenty-two contributors ask how traditional concepts of nature in the classical texts might inspire or impede an eco-friendly attitude among modern Hindus, and they describe some grassroots approaches to environmental protection. They look to Gandhian principles of minimal consumption, self-reliance, simplicity, and sustainability. And they explore forests and sacred groves in text and tradition and review the political and religious controversies surrounding India’s sacred river systems.

First, there is a soft rustle in the underbrush, then a low-slung, utterly bizarre-looking insectivore dashes in front of Eladio Fernández. With a reflexive click of digital shutter, he's captured the reclusive (Solenodon paradoxus--a living fossil. A Dominican-based conservationist and photographer, Fernandez is documenting the efforts of a distinguished team of international scientists as they unravel the workings of evolution being played out on the island of Hispaniola.

A short flight from the Florida coast, Hispaniola offers unique opportunities, not just to photographers like Fernández, but to evolutionary biologists as well. At 40 million years, Hispaniola is far older than the Galápagos. Its considerable age, along with a diversity of habitats--from mountains and cloud forests to savannahs and tropical lowlands--makes this island one of the most spectacular, if poorly understood, troves of biota on the planet. The extraordinary richness of species, much of it endangered and yet to be described, is showcased here in nearly 400 spectacular photographs. The photos are accompanied by essays--in both English and Spanish--that make known the Hispaniolan fungi, plants, and animals by the experts who know them best.

Insights gained from Hispaniola's unique flora and fauna, from its rare orchids to its stunningly beautiful bird life, may enrich our understanding of other, more complex, living systems worldwide. What Fernández captures here so vividly is not just the amazing variety of living creatures that have erupted in evolutionary isolation, but the urgency of scientists racing to give that variety a name before it vanishes.

Though biogeography may be simply defined--the study of the geographic distributions of organisms--the subject itself is extraordinarily complex, involving a range of scientific disciplines and a bewildering diversity of approaches. For convenience, biogeographers have recognized two research traditions: ecological biogeography and historical biogeography.

This book makes sense of the profound revolution that historical biogeography has undergone in the last two decades, and of the resulting confusion over its foundations, basic concepts, methods, and relationships to other disciplines of comparative biology. Using case studies, the authors explain and illustrate the fundamentals and the most frequently used methods of this discipline. They show the reader how to tell when a historical biogeographic approach is called for, how to decide what kind of data to collect, how to choose the best method for the problem at hand, how to perform the necessary calculations, how to choose and apply a computer program, and how to interpret results.

Inductive zoology.

In History of Animals Aristotle analyzes “differences”—in parts, activities, modes of life, and character—across the animal kingdom, in preparation for establishing their causes, which are the concern of his other zoological works. Over 500 species of animals are considered: shellfish, insects, birds, fish, reptiles, amphibians, and mammals—including human beings.

In Books I–IV, Aristotle gives a comparative survey of internal and external body parts, including tissues and fluids, and of sense faculties and voice. Books V–VI study reproductive methods, breeding habits, and embryogenesis as well as some secondary sex differences. In Books VII–IX, Aristotle examines differences among animals in feeding; in habitat, hibernation, migration; in enmities and sociability; in disposition (including differences related to gender) and intelligence. Here too he describes the human reproductive system, conception, pregnancy, and obstetrics. Book X establishes the female’s contribution to generation.

The Loeb Classical Library edition of History of Animals is in three volumes. A full index to all ten books is included in Volume Three.

Related Volumes:

Aristotle’s biological corpus includes not only History of Animals, but also Parts of Animals, Movement of Animals, Progression of Animals, Generation of Animals, and significant parts of On the Soul and Parva Naturalia. Aristotle’s general methodology—“first we must grasp the differences, then try to discover the causes” (HA 1.6)—is applied to the study of plants by his younger co-worker and heir to his school, Theophrastus: Enquiry into Plants studies differences across the plant kingdom, while De Causis Plantarum studies their causes. In the later ancient world, both Pliny’s Natural History and Aelian’s On the Characteristics of Animals draw significantly on Aristotle’s biological work. The only work by a classical author at all comparable to Aristotle’s treatises on animals is Xenophon’s On Horses (included in Volume VII of the Loeb edition of Xenophon).

Inductive zoology.

In History of Animals Aristotle analyzes “differences”—in parts, activities, modes of life, and character—across the animal kingdom, in preparation for establishing their causes, which are the concern of his other zoological works. Over 500 species of animals are considered: shellfish, insects, birds, fish, reptiles, amphibians, and mammals—including human beings.

In Books I–IV, Aristotle gives a comparative survey of internal and external body parts, including tissues and fluids, and of sense faculties and voice. Books V–VI study reproductive methods, breeding habits, and embryogenesis as well as some secondary sex differences. In Books VII–IX, Aristotle examines differences among animals in feeding; in habitat, hibernation, migration; in enmities and sociability; in disposition (including differences related to gender) and intelligence. Here too he describes the human reproductive system, conception, pregnancy, and obstetrics. Book X establishes the female’s contribution to generation.

The Loeb Classical Library edition of History of Animals is in three volumes. A full index to all ten books is included in Volume Three.

Related Volumes:

Aristotle’s biological corpus includes not only History of Animals, but also Parts of Animals, Movement of Animals, Progression of Animals, Generation of Animals, and significant parts of On the Soul and Parva Naturalia. Aristotle’s general methodology—“first we must grasp the differences, then try to discover the causes” (HA 1.6)—is applied to the study of plants by his younger co-worker and heir to his school, Theophrastus: Enquiry into Plants studies differences across the plant kingdom, while De Causis Plantarum studies their causes. In the later ancient world, both Pliny’s Natural History and Aelian’s On the Characteristics of Animals draw significantly on Aristotle’s biological work. The only work by a classical author at all comparable to Aristotle’s treatises on animals is Xenophon’s On Horses (included in Volume VII of the Loeb edition of Xenophon).

Inductive zoology.

In History of Animals Aristotle analyzes “differences”—in parts, activities, modes of life, and character—across the animal kingdom, in preparation for establishing their causes, which are the concern of his other zoological works. Over 500 species of animals are considered: shellfish, insects, birds, fish, reptiles, amphibians, and mammals—including human beings.

In Books I–IV, Aristotle gives a comparative survey of internal and external body parts, including tissues and fluids, and of sense faculties and voice. Books V–VI study reproductive methods, breeding habits, and embryogenesis as well as some secondary sex differences. In Books VII–IX, Aristotle examines differences among animals in feeding; in habitat, hibernation, migration; in enmities and sociability; in disposition (including differences related to gender) and intelligence. Here too he describes the human reproductive system, conception, pregnancy, and obstetrics. Book X establishes the female’s contribution to generation.

The Loeb Classical Library edition of History of Animals is in three volumes. A full index to all ten books is included in Volume Three.

Related Volumes:

Aristotle’s biological corpus includes not only History of Animals, but also Parts of Animals, Movement of Animals, Progression of Animals, Generation of Animals, and significant parts of On the Soul and Parva Naturalia. Aristotle’s general methodology—“first we must grasp the differences, then try to discover the causes” (HA 1.6)—is applied to the study of plants by his younger co-worker and heir to his school, Theophrastus: Enquiry into Plants studies differences across the plant kingdom, while De Causis Plantarum studies their causes. In the later ancient world, both Pliny’s Natural History and Aelian’s On the Characteristics of Animals draw significantly on Aristotle’s biological work. The only work by a classical author at all comparable to Aristotle’s treatises on animals is Xenophon’s On Horses (included in Volume VII of the Loeb edition of Xenophon).

Every day it seems the media focus on yet another new development in biology--gene therapy, the human genome project, the creation of new varieties of animals and plants through genetic engineering. These possibilities have all emanated from molecular biology.

A History of Molecular Biology is a complete but compact account for a general readership of the history of this revolution. Michel Morange, himself a molecular biologist, takes us from the turn-of-the-century convergence of molecular biology's two progenitors, genetics and biochemistry, to the perfection of gene splicing and cloning techniques in the 1980s. Drawing on the important work of American, English, and French historians of science, Morange describes the major discoveries--the double helix, messenger RNA, oncogenes, DNA polymerase--but also explains how and why these breakthroughs took place. The book is enlivened by mini-biographies of the founders of molecular biology: Delbrück, Watson and Crick, Monod and Jacob, Nirenberg.

This ambitious history covers the story of the transformation of biology over the last one hundred years; the transformation of disciplines: biochemistry, genetics, embryology, and evolutionary biology; and, finally, the emergence of the biotechnology industry.

An important contribution to the history of science, A History of Molecular Biology will also be valued by general readers for its clear explanations of the theory and practice of molecular biology today. Molecular biologists themselves will find Morange's historical perspective critical to an understanding of what is at stake in current biological research.

If not for a horse, would Alexander have been the Great? William, the Conqueror? Richard, the Lionhearted? If not for their awesome mounts, would the Spaniards have had their way with the New World? Would Paul Revere have spread the word? Would the West have been won?

It is hard to comprehend how far horse power has carried us, difficult to imagine, in our era of mechanical wizardry and speed, what role the horse has played in shaping human history. This is the challenge Juliet Clutton-Brock takes up in her book, a splendid blend of natural and social history that recounts the horse's story as it has figured in—and transfigured—our own.

By drawing on biological, archaeological, and historical evidence, Clutton-Brock describes the wild horse and the wild ass, from their widespread distribution at the end of the last Ice Age to their near extinction today. She shows how these beasts, once hunted for meat, were drafted for work and domesticated as humans began to grasp the possibilities of riding horseback. This discovery, with the speed, distance, and power it offered, transformed the course of history. This elegant tale of the horse and donkey, wonderfully written and handsomely illustrated, revives the true meaning of "horse power."

Why do men talk and women gossip, and which is better for you? Why is monogamy a drain on the brain? And why should you be suspicious of someone who has more than 150 friends on Facebook?

We are the product of our evolutionary history, and this history colors our everyday lives—from why we joke to the depth of our religious beliefs. In How Many Friends Does One Person Need? Robin Dunbar uses groundbreaking experiments that have forever changed the way evolutionary biologists explain how the distant past underpins our current ­behavior.

We know so much more now than Darwin ever did, but the core of modern evolutionary theory lies firmly in Darwin’s elegantly simple idea: organisms behave in ways that enhance the frequency with which genes are passed on to future generations. This idea is at the heart of Dunbar’s book, which seeks to explain why humans behave as they do. Stimulating, provocative, and immensely enjoyable, his book invites you to explore the number of friends you have, whether you have your father’s brain or your mother’s, whether morning sickness might actually be good for you, why Barack Obama’s 2008 victory was a foregone conclusion, what Gaelic has to do with frankincense, and why we laugh. In the process, Dunbar examines the role of religion in human evolution, the fact that most of us have unexpectedly famous ancestors, and why men and women never seem able to see eye to eye on color.

Throughout his remarkable career, Donald Pfaff has demonstrated that by choosing problems and methods with care, biologists can study the molecular mechanisms of brains more complex than those of fruit flies, snails, roundworms, and other invertebrates. His half century in the lab, starting with his discovery of hormone receptors in the brains of mammals and leading to the first detailed account of a neural circuit for mammalian behavior, puts him in a unique position to survey the origins and development of behavioral neurobiology and the current state of research. How the Vertebrate Brain Regulates Behavior offers a close-up, conversational perspective on scientific struggles and successes throughout a fifty-year quest to understand how behavior is regulated in a complex organism.

In graduate school, when Pfaff expressed a desire to study behavioral regulation, his advisor suggested focusing on hormones. Pfaff’s investigation into the hormonal basis of female sexual behavior in laboratory rats led him to a comprehensive appreciation of how hormone-dependent neurons work through neural circuits to produce discrete behaviors among all vertebrates. This breakthrough, along with other researchers’ findings, established a link between molecular biology and neuroscience that opened up a fruitful new field of inquiry.

Pfaff’s approach is to focus on one solvable problem and explore it from many angles. He begins with a single observed behavior and traces its regulation through a series of biological mechanisms—from hormones to genes to neural circuits. Pfaff’s relentless pursuit of his goals continues to inspire neuroscientists today.

This is a landmark introduction to the facts and hopes of gene therapy: an exciting, albeit controversial, technique that could bring about a new age in medical treatment. Modern medicine has had relatively little to offer children with disorders such as thalassemia and severe combined immune deficiency. Many of these young patients still face repeated hospitalizations and, often, an early death. In gene therapy, a child with life-threatening genetic disease caused by a defect in a single gene will he treated with the gene’s normal counterpart. Successful development of somatic cell gene therapy is potentially the most effective new therapeutic approach to helping these children lead normal lives.

With unusual clarity of style, Eve K. Nichols (author of the acclaimed Mobilizing Against AIDS) explores the potential for gene therapy and identifies those who are candidates for it. She reviews methods for diagnosing genetic diseases and evaluates current forms of therapy. Having provided a biomedical background for understanding somatic cell gene therapy, Nichols takes a thoughtful look at complex and sensitive issues surrounding ethical, economic, and policy aspects of manipulating human genes. A straightforward analysis of the current limitations and future potential of gene therapy concludes her broadly accessible account.

This book is is derived from the annual session of the prestigious Institute of Medicine. Distinguished participants in this meeting, such as Leon Rosenberg (Dean of the Yale Medical School), Philip Leder (Harvard Medical School), David Martin (Vice President, Genentech, Inc.), James Wyngaarden (Director of the National Institutes of Health), and LeRoy Walters (Director of the Center for Bioethics, Georgetown University), have contributed expert perspectives that will establish this book as a standard of excellence for future studies. A preface by Frank Press, President of the National Academy of Sciences, provides an insightful overview of this promising new therapy.

Hunger is universal among animals. It has been more thoroughly studied in the black blowfly than virtually any other creature except, possibly, man and the white rat. This book is an exploration of what we mean when we say that an animal is "hungry"; it analyzes the ethological concepts of motivation and drive as tested in extensive and elegant experiments on blowflies. The fly, then, is incidental; concepts and experimental techniques for evaluating them are the main subject.

With a clarity and wit rarely found in scientific prose, the author tells the story of all the research that has been carried out with the blowfly. In so doing, he traces the development of ideas and methods employed in experimental physiology. He illustrates an approach to the study of animal behavior that is based upon analysis of underlying mechanisms.

And yet, there is much to learn about flies from this book. It is the most complete book on blowfly physiology, exclusive of endocrinology; thus entomologists will find it indispensable. Sensory physiologists will discover that it details all the classic and contemporary work on the chemical senses of insects. Behavioral biologists will want it as an analytical case history of feeding behavior. Physiological psychologists will encounter a discussion of familiar problems—solved by quite a different evolutionary approach than the rat's. And the general reader interested in animals will find a readable and entertaining view of one of the most challenging branches of biology. With this book, the blowfly joins the herring gull as one of the most accessible and understandable—and even likeable—of animal species.