In the third millennium B.C.E., the Oman Peninsula was the site of an important kingdom known in Akkadian texts as "Magan," which traded extensively with the Indus Civilization, southern Iran, the Persian Gulf states, and southern Mesopotamia. Excavations have been carried out in this region since the 1970s, although the majority of studies have focused on mortuary monuments at the expense of settlement archaeology. While domestic structures of the Bronze Age have been found and are the focus of current research at Bat, most settlements dating from the third millennium B.C.E. in Oman and the U.A.E. are defined by the presence of large, circular monuments made of mudbrick or stone that are traditionally called "towers." Whether these so-called towers are defensive, agricultural, political, or ritual structures has long been debated, but very few comprehensive studies of these monuments have been attempted. Between 2007 and 2012, the University of Pennsylvania Museum of Archaeology and Anthropology conducted excavations at the UNESCO World Heritage Site of Bat in the Sultanate of Oman under the direction of the late Gregory L. Possehl. The focus of these years was on the monumental stone towers of the third millennium B.C.E., looking at the when, how, and why of their construction through large-scale excavation, GIS-aided survey, and the application of radiocarbon dates. This has been the most comprehensive study of nonmortuary Bronze Age monuments ever conducted on the Oman Peninsula, and the results provide new insight into the formation and function of these impressive structures that surely formed the social and political nexus of Magan's kingdom.
Before the Civil War, William Johnston served as president of Charlotte's first railroad, the Charlotte & SC Railroad. After the war, he rebuilt that line and extended it to Augusta, GA, creating the fastest route between New York and the deep South. He was instrumental in connecting Charlotte by rail early to two seaports, Charleston and Wilmington, allowing the small village to grow rapidly. After retiring from railroad management, he served four terms as a transformative Mayor of Charlotte, built the popular Buford Hotel for the region's rail and mill leaders, and co-organized the Commercial National Bank which, through mergers, evolved into today's Bank of America. Beyond these economic contributions, William Johnston successfully proposed an amendment to the North Carolina Constitution to broaden the state's religious tolerance, and also oversaw the creation of Charlotte's first grade school for African-American children. (Recipient of a 2020 Award of Excellence from the North Carolina Society of Historians)
Media representation of and for the disabled has been recharged in recent years with the expansion of new media worldwide. Interactive digital communications -- such as the Interact, new varieties of voice and text telephones, and digital broadcasting -- have created a need for a more innovative understanding of new media and disability issues. This engaging analysis offers a global perspective on how people with disabilities are represented as users, consumers, viewers, or listeners of new media, by policymakers, corporations, programmers, and the disabled themselves.
By a happy coincidence, the completion of this text coincided with the 200th anniversary of the discovery of gadolinite, the mineral with which the lanthanide story begins. For a group of elements which occur in only trace amounts biologically, and which have no known metabolic role, the lanthanides have spawned a surprisingly large biochemicalliterature. Se rious interest in the biochemical properties ofthese elements can be traced to concerns about the safety of radioactive lanthanides toward the end of World War 11. As recent events at Chernobyl indicate, this concern re mains topical. However, the literature on lanthanide biochemistry pre dates the atomic era, beginning with sporadic, medically motivated studies in the latter part of the 19th century. Much of the present biochemical activity involving the lanthanides centers around their ability to provide 2 important information on the interactions of Ca + with macromolecules and with eukafyotic cells. With the increasing industrial use of the lan thanides, their toxicological properties will need to be examined more closely. Rare earth pneumonoconiosis has already been identified as a disease produced by industrial exposure to lanthanides. Several of the biochemical properties of the lanthanides are of relevance to modern medicine. Already cerium-based ointments are used to treat burn wounds, while paramagnetic lanthanides find application in nuclear magnetic res onance imaging. This book is an attempt to collate and to present in reasonable detail existing knowledge of lanthanide biochemistry before the literature be comes unmanageable.
Incineration: no other form of hazardous waste disposal has matched its efficiency at volume reduction, and the permanent destruction of organic wastes. That convenience may come at a price, as questions and concerns continue to surround the potential human health impacts and ecosystem effects allegedly caused by incineration. Hazardous Waste Incineration: Evaluating the Human Health and Environmental Risks addresses those concerns by summarizing recent research. Commissioned in part by the Florida Department of Environmental Protection, this volume compiles reports and observations from specialists throughout the United States. Fourteen chapters respond to the key questions posed by the researchers: What is known about existing hazardous waste incinerators, and their impacts on human health? Can the impacts of a proposed facility be evaluated before it is built, and if so, how? What is the regulatory compliance record of existing commercial hazardous waste incinerators? What methods can be used to monitor a facility's impacts after it is built? Their response: the most complete treatment of the subject-a timely and controversial topic.
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