By mapping the worldwide geographic distribution of genes for over 110 traits in over 1800 primarily aboriginal populations, the authors charted migrations and devised a clock by which to date evolutionary history. This monumental work is now available in a more affordable paperback edition without the myriad illustrations and maps, but containing the full text and partial appendices of the authors' pathbreaking endeavor.

    Power Unseen portrays the many, diverse and often unexpected activities of microbes through a series of 75 vignettes, each focusing on one particular organism and its characteristic behavior. Illustrating microbial life in its astonishing diversity, this fascinating and entertaining book leaves the reader in no doubt that microbes, not macrobes, rule the world.

    Using a classical morphological approach to embryology, it offers mechanistic explanations for both normal and abnormal human development, enabling readers to understand development in terms of cellular and molecular controls. And, a wealth of reader-friendly features make this resource exceptionally user friendly.The smart way to study!Elsevier titles with STUDENT CONSULT will help you master difficult concepts and study more efficiently in print and online! Perform rapid searches. Integrate bonus content from other disciplines. Download text to your handheld device. And a lot more. Each STUDENT CONSULT title comes with full text online, a unique image library, case studies, USMLE style questions, and online note-taking to enhance your learning experience.

    A burgeoning international movement that seeks to publicize and protect these animals by breeding them on farms inspired Rare Breeds, a large-format album of exceedingly appealing livestock 'portraits, ' with a fascinating text about efforts to preserve these extraordinary animals.

    Philippe