The Appendix in this second edition of Smartweeds to Hazelnuts holds fourteen new plant illustrations, new information on the descriptions and the geographical locations of plants in the first edition, and revised identification keys.

If not for the work of his half cousin Francis Galton, Charles Darwin's evolutionary theory might have met a somewhat different fate. In particular, with no direct evidence of natural selection and no convincing theory of heredity to explain it, Darwin needed a mathematical explanation of variability and heredity. Galton's work in biometry—the application of statistical methods to the biological sciences—laid the foundations for precisely that. This book offers readers a compelling portrait of Galton as the "father of biometry," tracing the development of his ideas and his accomplishments, and placing them in their scientific context. Though Michael Bulmer introduces readers to the curious facts of Galton's life—as an explorer, as a polymath and member of the Victorian intellectual aristocracy, and as a proponent of eugenics—his chief concern is with Galton's pioneering studies of heredity, in the course of which he invented the statistical tools of regression and correlation. Bulmer describes Galton's early ambitions and experiments—his investigations of problems of evolutionary importance (such as the evolution of gregariousness and the function of sex), and his movement from the development of a physiological theory to a purely statistical theory of heredity, based on the properties of the normal distribution. This work, culminating in the law of ancestral heredity, also put Galton at the heart of the bitter conflict between the "ancestrians" and the "Mendelians" after the rediscovery of Mendelism in 1900. A graceful writer and an expert biometrician, Bulmer details the eventual triumph of biometrical methods in the history of quantitative genetics based on Mendelian principles, which underpins our understanding of evolution today.

Frogs are amazingly diverse—ranging from the massive goliath frog, which weighs several pounds, to the recently discovered gold frog, which measures a mere three-eighths of an inch when fully grown—and have inhabited the earth for more than 200 million years. Today, however, these amphibians face more challenges than any other vertebrate group. In this fun and informative book, herpetologists Mike Dorcas and Whit Gibbons answer common and not-so-common questions people may have about these fascinating animals. Dorcas and Gibbons discuss how frogs evolved, which species currently exist in the world, and why some have recently gone extinct. They reveal what frogs eat and what eats them, their role in cultures across the globe, why many populations are declining and what we can do to reverse this dangerous trend, why there are deformed frogs, and much more. They answer expected questions such as “What is the difference between a frog and a toad?” and “Why do some people lick toads?” and unexpected ones such as “Why do some frogs lay their eggs in the leaves of trees?” and “Do frogs feel pain?” The authors’ easy-to-understand yet thorough explanations provide insight into the amazing biology of this amphibian group. In addressing conservation questions, Dorcas and Gibbons highlight the frightening implications of the current worldwide amphibian crisis, which many scientists predict will bring extinction rates experienced by frog species to levels not seen in any vertebrate animal group in millions of years. Packed with facts and featuring two color galleries and 70 black-and-white photographs, Frogs: The Animal Answer Guide is sure to address the questions on the minds of curious naturalists.

Winner of the 2005 John Burroughs Medal Award for Natural History Writing

Living at the limits of our ordinary perception, mosses are a common but largely unnoticed element of the natural world. Gathering Moss is a beautifully written mix of science and personal reflection that invites readers to explore and learn from the elegantly simple lives of mosses.

In this series of linked personal essays, Robin Wall Kimmerer leads general readers and scientists alike to an understanding of how mosses live and how their lives are intertwined with the lives of countless other beings. Kimmerer explains the biology of mosses clearly and artfully, while at the same time reflecting on what these fascinating organisms have to teach us.

Drawing on her diverse experiences as a scientist, mother, teacher, and writer of Native American heritage, Kimmerer explains the stories of mosses in scientific terms as well as in the framework of indigenous ways of knowing. In her book, the natural history and cultural relationships of mosses become a powerful metaphor for ways of living in the world.

Q: How do geckos walk across ceilings? A: Millions of hair-like setae on each foot. Q: Where do geckos come from? A: Throughout the world. Usually where it’s warm. Q: How many species of geckos are there? A: Close to 1,500 and counting! Q: What do they eat? A: Insects mostly. Discover the biology, natural history, and diversity of geckos—the acrobatic little lizards made famous by a car insurance ad campaign. Lizard biologist and gecko expert Aaron Bauer answers deceptively simple questions with surprising and little-known facts. Readers can explore color photographs that reveal the natural wonder and beauty of the gecko form and are further informed by images of how geckos live in their natural habitats. Although written for nonexperts, Geckos also provides a carefully selected bibliography and a new list of all known species that will be of interest to herpetologists. Anyone who owns a gecko, has seen them in the wild, or has wondered about them will appreciate this gem of a book.

Drawn from the Genetics, Disability and Deafness Conference at Gallaudet University in 2003, this trenchant volume brings together 13 essays from science, history, and the humanities, history and the present, to show the many ways that disability, deafness, and the new genetics interact and what that interaction means for society. Pulitzer-prize-winning author Louis Menand begins this volume by expressing the position shared by most authors in this wide-ranging forum—the belief in the value of human diversity and skepticism of actions that could eliminate it through modification of the human genome. Nora Groce creates an interpretive framework for discussing the relationship between culture and disability. From the historical perspective, Brian H. Greenwald comments upon the real “toll” taken by A. G. Bell’s insistence upon oralism, and Joseph J. Murray recounts the 19th century debate over whether deaf-deaf marriages should be encouraged. John S. Schuchman’s chilling account of deafness and eugenics in the Nazi era adds wrenching reinforcement to the impetus to include disabled people in genetics debates. Mark Willis illustrates the complexity of genetic alterations through his reaction to his own genetic makeup, in that he is happy to combat his heart disease with genetic tools but refuses to participate in studies about his blindness, which he considers a rich variation in human experience. Anna Middleton describes widely reported examples of couples attempting to use genetic knowledge and technology both to select for and against a gene that causes deafness. Chapters by Orit Dagan, Karen B. Avraham, Kathleen S. Arnos, and Arti Pandya elucidate the promise of current research to clarify the complexity and choices presented by breakthroughs in genetic engineering. In his essay on the epidemiology of inherited deafness, geneticist Walter E. Nance emphasizes the importance of science in offering individuals knowledge from which they can fashion their own decisions. Christopher Krentz reviews past and contemporary fictional accounts of human alteration that raise moral questions about the ever-continuing search for human perfection. Michael Bérubé concludes this extraordinary collection with his forceful argument that disability should be considered democratically in this era of new genetics to ensure the full participation of disabled people themselves in all decisions that might affect them.