front cover of Across the Bridge
Across the Bridge
Understanding the Origin of the Vertebrates
Henry Gee
University of Chicago Press, 2018
Our understanding of vertebrate origins and the backbone of human history evolves with each new fossil find and DNA map. Many species have now had their genomes sequenced, and molecular techniques allow genetic inspection of even non-model organisms. But as longtime Nature editor Henry Gee argues in Across the Bridge, despite these giant strides and our deepening understanding of how vertebrates fit into the tree of life, the morphological chasm between vertebrates and invertebrates remains vast and enigmatic.

As Gee shows, even as scientific advances have falsified a variety of theories linking these groups, the extant relatives of vertebrates are too few for effective genetic analysis. Moreover, the more we learn about the species that do remain—from sea-squirts to starfish—the clearer it becomes that they are too far evolved along their own courses to be of much use in reconstructing what the latest invertebrate ancestors of vertebrates looked like. Fossils present yet further problems of interpretation. Tracing both the fast-changing science that has helped illuminate the intricacies of vertebrate evolution as well as the limits of that science, Across the Bridge helps us to see how far the field has come in crossing the invertebrate-to-vertebrate divide—and how far we still have to go.

front cover of The Annotated <i>Origin</i>
The Annotated Origin
A Facsimile of the First Edition of On the Origin of Species
Charles DarwinAnnotated by James T. Costa
Harvard University Press, 2009
Charles Darwin’s On the Origin of Species is the most important and yet least read scientific work in the history of science. Now James T. Costa—experienced field biologist, theorist on the evolution of insect sociality, and passionate advocate for teaching Darwin in a society in which a significant proportion of adults believe that life on earth has been created in its present form within the last 10,000 years—has given a new voice to this epochal work. By leading readers line by line through the Origin, Costa brings evolution’s foundational text to life for a new generation.The Annotated Origin is the edition of Darwin’s masterwork used in Costa’s course at Western Carolina University and in Harvard’s Darwin Summer Course at Oxford. A facsimile of the first edition of 1859 is accompanied by Costa’s extensive marginal annotations, drawing on his extensive experience with Darwin’s ideas in the field, lab, and classroom. This edition makes available an accessible, useful, and practical resource for anyone reading the Origin for the first time or for those who want to reread it with the insights and perspective that a working biologist can provide.

front cover of Anonimo Mexicano
Anonimo Mexicano
Richley Crapo and Bonnie Glass-Coffin
Utah State University Press, 2005
Anonimo Mexicano is the first publication of the full Nahuatl text and English translation of a rare and important Native history of preconquest Mexico. Written circa 1600 by an anonymous Tlaxcaltecan author, it is an epic account of the settling of central Mexico by Nahua peoples from the northern frontier. They developed a sophisticated culture with powerful city states and an agricultural economy, fought great wars, established dynasties, and recorded their history and legends in painted books. The Mexica became the most powerful of these nations until their conquest by the Spanish with the help of the Tlaxcalteca, who were rivals of the Mexica and whose national origin tale was recorded in Anonimo Mexicano.

Send via email Share on Facebook Share on Twitter