In this groundbreaking analysis, over thirty of the most popular treatments—acupuncture, homeopathy, aromatherapy, reflexology, chiropractic, and herbal medicines—are examined for their benefits and potential dangers. Questions answered include: What works and what doesn't? What are the secrets, and what are the lies? Who can you trust, and who is ripping you off? Can science decide what is best, or do the old wives' tales really tap into ancient, superior wisdom?In their scrutiny of alternative and complementary cures, authors Simon Singh and Edzard Ernst also strive to reassert the primacy of the scientific method as a means for determining public health practice and policy.

    Despite its relatively narrow focus, it is chock full of the pearls of clinical wisdom that students and practitioners treasure, and many of these lessons apply to medicine in general. The book was well characterized by a reviewer of an earlier edition for The New England Journal of Medicine: If only one book about surgery could be made available to physicians from all specialties, it should probably be Silen's recent revision of Cope's Early Diagnosis of the Acute Abdomen. Since the book first appeared more than 30 years ago, it has remained the classic treatise on the initial approach to abdominal pain. Because acute, severe abdominal pain is still a common problem whose misdiagnosis can result in quick death, each generation of beginning physicians is faced with the urgency of learning to make a diagnosis in this high anxiety situation and they appreciate the wise, humane, precisely detailed guidance offered by Cope and Silen. For the 21st Edition, Dr. Silen has again updated the text in a respectful but significant way. He has strengthened its emphasis on pitfalls in the interpretation of CT and ultrasound scans, on misadventures caused by over-reliance on blood tests and radiographs, and on careful history-taking to avoid the costs of inappropriate lab tests. He has also reviewed the data from a randomized clinical trial indicating that patients should receive adequate analgesia while awaiting a definitive diagnosis, a dictum that is contrary to traditional teaching

    * A large cross-section of organic reactions/mechanisms given with stereochemical implications. * Relationship between conformation and reactivity specially highlighted. * Instrumentation techniques relating to stereochemical investigation discussed in simple language.ABOUT THE BOOK:During recent years, stereochemistry has undergone a phenomenal growth both in theory and practice, with a concomitant increase of interest among the organic chemists, biological chemists, medicinal chemists, and pharmacologists. The present text provides an up-to-date, coherent, and comprehensive account of the subject starting from the fundamentals and leading up to the latest developments as far as practicable. Emphasis has been placed on a symmetry-based approach to molecular chirality, stereochemical terminologies (modern stereochemistry is replete with them), topicity and prostereoisomerism, conformational analysis, dynamic stereochemistry, chiroptical properties, and assignment of absolute configuration to chiral molecules. Dynamic stereochemistry has been discussed with reference to conformation-reactivity correlation, stereoselective synthesis, and pericyclic reactions. A large cross-section of organic reactions with stereochemical implication has been incorporated. Attempts have been made to familiarise the readers with modern instrumental techniques, nuclear magnetic resonance in particular, used for stereochemical investigation. Each chapter is provided with a summary which highlights the main points of the text. CONTENTS: * Molecular Geometry and Chemical Bonding * Molecular Symmetry and Chirality * Stereoisomerism: Definitions and Classifications * Stereoisomerism and Centre of Chirality * Stereoisomerism: Axial Chirality, Planar Chirality and Helicity * Topicity and Prostereoisomerism * Racemisation and Methods of Resolution * Determination of Configuration * Conformations of Acyclic Molecules * Conformations of Cyclic Systems: Monocyclic Compounds * Conformations of Cyclic Systems: Fused Ring and Bridged Ring Compounds * Dynamic Stereochemistry I: Conformation and Reactivity * Dynamic Stereochemistry II:Stereoselective Reactions * Dynamic Stereochemistry III:Pericyclic Reactions * Molecular Dissymmetry and Chiroptical Properties * Molecular Recognition: Chemical and Stereochemical AspectsREADERSHIP: * Graduate and postgraduate students of Chemistry courses * University and college libraries * Biochemists, Medical and Pharmacology students and other related professionalsNew Academic Science is a newly established Science, Technical and Medical publisher.We offer high level text and reference titles to the academic community. Written by leading scientists and academic professionals affiliated to prestigious institutions worldwide, our books bring into focus innovative research and the latest teaching theories and concepts. Some of the many areas we publish in include: -Electrical Engineering -Mechanical Engineering-Chemistry-Mathematics-Physics-Computer ScienceAbout the AuthorL.P. Singh, was a Professor in the Department of Electrical Engineering at Indian Institute of Technology, Kanpur. He obtained his Ph.D.degree in Electrical Engineering from I.I.T. Kanpur. Prof. Singh has got an experience of more than 40 years in teaching undergraduate as well as graduate classes in the areas of Electrical Science, Electrical Machines, Power System Analysis, Power System Dynamics, Advanced Protective Relaying, Power System Simulation and Modelling and Digital Protection etc. He has visited a number of reputed foreign universities and research organizations and has conducted seminars and has also worked as Research Associate at some places such as at BPAORE(USA). He has published more than 125 research papers in reputed international journals.

    Their first intimation of our existence might well be a Super Bowl broadcast or a stray transmission from the Playboy channel. But, of course, they might seem equally strange to us. How strange? Their senses could be entirely different from ours—they might see in the infrared or “hear” radio waves.What would aliens look like? An intelligent octopus-like creature is certainly plausible. What about odd numbers of limbs—a three-legged alien with three arms and three eyes? What about an entire planet of immobile, silicon-based “trees” that communicate with each other via electrical signals?The Science of Aliens gets weirder still. Could a giant interstellar cloud be “alive” and intelligent? Could creatures live at extremely high pressures and temperatures? And which of these many possibilities would be similar enough to us that they could communicate with them, or they with us? Would they have any interest in abducting us? Would they want to have sex with us?In classic Pickover style, here is speculation at the far edge of knowledge—and beyond.

    The coloring book helps you memorize the anatomy content you need to know in both veterinary medicine and veterinary technology and gives you a fun way to review the information you have studied. All illustrations in the book are suitable for coloring and are of the highest quality, created by expert medical illustrators.Organized by body region, the book is divided into sections devoted to the head and neck; neck, back, and vertebral column; thorax; abdomen; pelvis; forlimb; and hindlimb.Numbered lead lines clearly identify structures to be colored and correspond to a numbered list beneath the illustration so you can easily visualize the veterinary anatomy. Plus, you can create your own color code using the numbered boxes provided for each illustration.Comprehensive veterinary anatomy coverage helps you reinforce your understanding of canine, feline, equine, porcine, ruminants, and avian anatomy.High quality illustrations make it easy for you to color in each anatomic region and review anatomic details.Self-study format provides a fun and interactive way to prepare for exams throughout your veterinary courses.Part of Elsevier's complete veterinary anatomy learning system, integrating core anatomy knowledge, engaging review, hands-on practice, and clinical application to give you a solid foundation for success!

    The Second Edition has been carefully updated, including coverage of recent events such as Hurricane Katrina, and offers unparalleled multimedia tools for instructors and students.

    Revised to reflect the latest research in the field, this book emphasizes the relationships and concepts that link cell and tissue structures with their functions. A bonus image library CD-ROM featuring all the photos and illustrations from the text with "zoom in" and "zoom out" capability is also included.

    This best-selling text gives students a solid understanding of organic chemistry by stressing how fundamental reaction mechanisms function and reactions occur. With the addition of handwritten solutions, new cutting-edge molecular illustrations, updated spectroscopy coverage, seamless integration of molecular modeling exercises, and state-of-the-art multimedia tools, the 7th edition of Organic Chemistry clearly offers the most up-to-date approach to the study of organic chemistry.

    It provides many detailed, practical design and analysis examples intended to relate theory to the workplace. Chapter topics include first experiences with an op amp; inverting and noninverting amplifiers; comparators and controls; selected applications of op amps; signal generators; op amps with diodes; differential, instrumentation, and bridge amplifiers; DC performance: bias, offsets, and drift; AC performance: bandwidth, slew rate, noise; active filters; modulating, demodulating, and frequency changing with the multiplier; integrated-circuit timers; digital-to-analog converters; analog-to-digital converters; and power supplies. For design engineers rs

    Harlen Bretz walked the dry scabland channels of eastern Washington in the 1920s, it dawned on him that he was viewing a landscape sculpted by water. Lots of water. A flood of catastrophic proportions. Glacial Lake Missoula and Its Humongous Floods tells the gripping tale of a huge Ice Age lake that drained suddenly--not just once but repeatedly--and reshaped the landscape of the Northwest. The narrative follows the path of the floodwaters as they raged from western Montana across the Idaho Panhandle, then scoured through eastern Washington and down the Columbia Gorge to the Pacific Ocean. This is also the story of geologists grappling with scientific controversy--"of how personalities, pride, and prejudice sometimes superseded scientific evidence."

    Chapter topics include atomic structure, molecular orbitals, organometallic chemistry, simple bonding theory, symmetry and group theory, and more. For chemists and other professionals who want to update or improve their background in the field.

    Tipler and Llewellyn's acclaimed text for the intermediate-level course (not the third semester of the introductory course) guides students through the foundations and wide-ranging applications of modern physics with the utmost clarity--without sacrificing scientific integrity.

    It provides complete coverage of the new A- and AS-level core specifications being taught from September 2000 onwards and presents concepts in separate, easily accessible double-page spreads. Each spread starts with learning objectives and ends with questions, to check understanding, making the book particularly suitable for self-study.

    Written in a concise, bulleted outline format, this well-illustrated text offers 500 USMLE-style review questions, answers, and explanations and features comprehensive content and upgraded USMLE Step 1 information.

    Where did I go wrong?" Most instructors hear this complaint every year. In many cases, it is true that the student invested countless hours, only to produce abysmal results. Often, inefficient study habits are to blame. The important question is: why do so many students have difficulty preparing themselves for organic chemistry exams? There are certainly several factors at play here, but perhaps the most dominant factor is a fundamental disconnect between what students learn and the tasks expected of them. To address the disconnect in organic chemistry instruction, David Klein has developed a textbook that utilizes a skills-based approach to instruction. The textbook includes all of the concepts typically covered in an organic chemistry textbook, but special emphasis is placed on skills development to support these concepts. This emphasis upon skills development will provide students with a greater opportunity to develop proficiency in the key skills necessary to succeed in organic chemistry.As an example, resonance structures are used repeatedly throughout the course, and students must become masters of resonance structures early in the course. Therefore, a significant portion of chapter 1 is devoted to drawing resonance structures.Two chapters (6 and 12) are devoted almost entirely to skill development. Chapter 6 emphasizes skills that are necessary for drawing mechanisms, while chapter 12 prepares the student for proposing syntheses.In addition, each chapter contains numerous Skillbuilders, each of which is designed to foster a specific skill. Each skillbuildercontains three parts:1. Learn the Skill: a solved problem that demonstrates a particular skill;2. Practice the Skill: numerous problems (similar to the solved problem) that give the students an opportunity to practice and master the skill;3. Apply the Skill: one or two more-challenging problems in which the student must apply the skill in a slightly different environment. These problems include conceptual, cumulative, and applied problems that encourage students to think out of the box. Sometimes problems that foreshadow concepts introduced in later chapters are also included.All SkillBuilders are visually summarized at the end of each chapter (Skillbuilder review), followed by a list of suggested in-chapter and end-of-chapter practice problems.