Many of the world’s most important and life-saving devices and techniques were often discovered purely by accident. Serendipity, timing, and luck played a part in the discovery of unintentional cures and breakthroughs: A plastic shard in an RAF pilot’s eye leads to the use of plastic for contact lenses. The inability to remove a titanium chamber from rabbit’s bone leads to dental implants. Viagra was discovered by a group of chemists, working in the lab to find a new drug to alleviate the pain of angina pectoris. A stretch of five weeks of unusually warm weather in 1928 played a role in assisting Dr. Alexander Fleming in his analysis of bacterial growth and the discovery of penicillin. After studying the effects of the venom injected by the bite of a deadly pit viper snake, chemists developed a groundbreaking drug that works to control blood pressure. Accidental Medical Discoveries is an entertaining and enlightening look at the creation of 25 medical inventions that have changed the world – unintentionally. The book is presented in a lively and engaging way, and will appeal to a wide variety of readers, from history buffs to trivia fanatics to those in the medical profession.
Many of the world’s most important and life-saving devices and techniques were often discovered purely by accident. Serendipity, timing, and luck played a part in the discovery of unintentional cures and breakthroughs: A plastic shard in an RAF pilot’s eye leads to the use of plastic for contact lenses. The inability to remove a titanium chamber from rabbit’s bone leads to dental implants. Viagra was discovered by a group of chemists, working in the lab to find a new drug to alleviate the pain of angina pectoris. A stretch of five weeks of unusually warm weather in 1928 played a role in assisting Dr. Alexander Fleming in his analysis of bacterial growth and the discovery of penicillin. After studying the effects of the venom injected by the bite of a deadly pit viper snake, chemists developed a groundbreaking drug that works to control blood pressure. Accidental Medical Discoveries is an entertaining and enlightening look at the creation of 25 medical inventions that have changed the world – unintentionally. The book is presented in a lively and engaging way, and will appeal to a wide variety of readers, from history buffs to trivia fanatics to those in the medical profession.
The volume is concerned exclusively with all the binary species formed between the elements silicon and fluorine such as SiF, SiF2, SiF3, SiF4, and Sif62-. Most of the volume, i.e. 144 pages, is devoted to the description of the well known physical and chemical properties of the SiF4 as well as to its preparation. This is followed in length by the report on SiF2 with its interesting chemistry, along with a section on the diatomic radical SiF. Species with fivefold and sixfold coordination of silicon are exemplified by SiF5- and by the well known SiF62-. Interestingly, the detailed models for describing the bonding situation in both ions are still a matter of discussion. While for Si2F6 most of the basic data are known, information on the chemical and physical properties of the higher members of the acylic perfluorosilanes, SinF2n+2, is scarce. All available information on the unstable cyclic perfluorosilanes of composition (SiF2)n and some even more exotic species is also included.
For the last century, social workers have attended to those in need and sought to improve the social and economic conditions of the disadvantaged. At the dawn of a new century the country's leading social work practitioners and educators have come together in one stellar volume to assess the successes and failures of the field in its first hundred years. They lay out the road social work must take to face the challenges ahead. Along with two chapters by the editors, June Gary Hopps and Robert Morris, Social Work at the Millennium includes ten chapters from an exceptionally strong group of contributors, offering a range of interpretations of the future of social work. By looking with a critical eye at the past century and at the present day, the authors come to varying conclusions that will stir debate within the field for years to come. But all agree that social workers need a place at the policy drafting tables as well as in the human services triage rooms, and that much work needs to be done to ensure that this happens. Social Work at the Millennium presents the top voices of the social work field as they begin to craft the future of the profession, and issues a challenge to social workers, students, scholars, and policy makers to continue the discussion to shape a better future for the profession and the people it serves.
This book includes the year in review, economy and business, computers, science and technology, noted personalities, sports, vital statistics, and more.
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