Presenting information in an easy-to-read style, this book comprehensively and authoritatively covers lyophilization. Using plain, informative, unpretentious language, Jennings pulls together information from diverse sources to provide a basic introduction not only directed to lyophilizing solutions but also relevant to more complex systems containing rigid cellular structures. Including over 150 illustrations, global symbols, and more than 350 references, this book is the complete guide to lyophilization, its analytical methods, measurement of process parameters, and equipment. Generously...

New research and the discovery of multiple archaeological sites predating the established age of Clovis (13,000 years ago) provide evidence that the Americas were first colonized at least one thousand to two thousand years before Clovis. These revelations indicate to researchers that the peopling of the Americas was perhaps a more complex process than previously thought.
The Clovis culture remains the benchmark for chronological, technological, and adaptive comparisons in research on peopling of the Americas.
In Clovis: On the Edge of a New Understanding, volume editors Ashley...

Roughly thirteen thousand years ago, Clovis hunters cached more than fifty projectile points, preforms, and knives at the toe of a gentle slope near present-day Elgin, Bastrop County, in central Texas. Over the next millennia, deposition buried the cache several meters below the surface. The entombed artifacts lay undisturbed until 2003.
A circuitous path brought thirteen of the original thirty-seven Clovis bifaces and points through many hands before reaching the attention of Michael Waters at Texas A&M University. At the site of the original cache, Waters and coauthor Thomas A....