This book is written as a reference on organic substances in natural waters and as a supplementary text for graduate students in water chemistry. The chapters address five topics: amount, origin, nature, geochemistry, and characterization of organic carbon. Of these topics, the main themes are the amount and nature of dissolved organic carbon in natural waters (mainly fresh water, although seawater is briefly discussed). It is hoped that the reader is familiar with organic chemistry, but it is not necessary. The first part of the book is a general overview of the amount and general nature of dissolved organic carbon. Over the past 10 years there has been an exponential increase in knowledge on organic substances in water, which is the result of money directed toward the research of organic compounds, of new methods of analysis (such as gas chromatography and mass spectrometry), and most importantly, the result of more people working in this field. Because of this exponential increase in knowledge, there is a need to pull together and summarize the data that has accumulated from many disciplines over the last decade.
Life on Display traces the history of biological exhibits in American museums to demonstrate how science museums have shaped and been shaped by understandings of science and public education in twentieth-century society. Karen Rader and Victoria Cain document how public natural history and science museums’ ongoing efforts to create popular educational displays led these institutions to develop new identities, ones that changed their positions in both twentieth-century science and American culture. They describe how, pre-1945, biological exhibitions changed dramatically--from rows upon rows of specimen collections to large-scale dioramas with push-button displays--as museums attempted to negotiate the changing, and often conflicting, interests of scientists, educators, and the public. The authors then reveal how, from the 1950s through the 1980s, museum staffs experimented with wildly different definitions of life science and life science education, and how, in the process, natural history and science museums and science centers faced significant public and scientific scrutiny. The book concludes with a discussion of the ways corporate sponsorship and contemporary blockbuster economics influenced the content and display of science and natural history museums in the century’s last decades. As a dynamic historical account of how museums negotiated their multiple roles in science and society, Life on Display will attract a diverse audience of cultural historians, sociologists, and ethnographers of science, as well as museum practitioners.
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