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Is your reader a future biologist? Robert Gardner’s latest experiments book may be just the inspiration for a young scientist considering a career in life science. The many experiments in this title cover the different areas of math and science that biologists use. Ideas for science fair projects are suggested throughout the book, along with clear illustrations, explanations of the scientific method, career information, and guidelines for safe experimenting.
Directions for simple experiments which require only a microscope and household objects to prove some basic scientific facts about plants, animals, and human beings.
In 1957 two young scientists, Matthew Meselson and Frank Stahl, produced a landmark experiment confirming that DNA replicates as predicted by the double helix structure Watson and Crick had recently proposed. It also gained immediate renown as a “most beautiful” experiment whose beauty was tied to its simplicity. Yet the investigative path that led to the experiment was anything but simple, Frederic L. Holmes shows in this masterful account of Meselson and Stahl’s quest. This book vividly reconstructs the complex route that led to the Meselson-Stahl experiment and provides an inside view of day-to-day scientific research--its unpredictability, excitement, intellectual challenge, and serendipitous windfalls, as well as its frustrations, unexpected diversions away from original plans, and chronic uncertainty. Holmes uses research logs, experimental films, correspondence, and interviews with the participants to record the history of Meselson and Stahl’s research, from their first thinking about the problem through the publication of their dramatic results. Holmes also reviews the scientific community’s reception of the experiment, the experiment’s influence on later investigations, and the reasons for its reputation as an exceptionally beautiful experiment.
Regression, analysis of variance, correlation, graphical.
Landmark Experiments in Molecular Biology critically considers breakthrough experiments that have constituted major turning points in the birth and evolution of molecular biology. These experiments laid the foundations to molecular biology by uncovering the major players in the machinery of inheritance and biological information handling such as DNA, RNA, ribosomes, and proteins. Landmark Experiments in Molecular Biology combines an historical survey of the development of ideas, theories, and profiles of leading scientists with detailed scientific and technical analysis. - Includes detailed analysis of classically designed and executed experiments - Incorporates technical and scientific analysis along with historical background for a robust understanding of molecular biology discoveries - Provides critical analysis of the history of molecular biology to inform the future of scientific discovery - Examines the machinery of inheritance and biological information handling
The effective design of scientific experiments is critical to success, yet graduate students receive very little formal training in how to do it. Based on a well-received course taught by the author, Experimental Design for Biologistsfills this gap. Experimental Design for Biologistsexplains how to establish the framework for an experimental project, how to set up a system, design experiments within that system, and how to determine and use the correct set of controls. Separate chapters are devoted to negative controls, positive controls, and other categories of controls that are perhaps less recognized, such as “assumption controls†and “experimentalist controls†. Furthermore, there are sections on establishing the experimental system, which include performing critical “system controls†. Should all experimental plans be hypothesis-driven? Is a question/answer approach more appropriate? What was the hypothesis behind the Human Genome Project? What color is the sky? How does one get to Carnegie Hall? The answers to these kinds of questions can be found in Experimental Design for Biologists. Written in an engaging manner, the book provides compelling lessons in framing an experimental question, establishing a validated system to answer the question, and deriving verifiable models from experimental data. Experimental Design for Biologistsis an essential source of theory and practical guidance in designing a research plan.
Carving Nature at its Joints? In order to map the future of biology we need to understand where we are and how we got there. Present day biology is the realization of the famous metaphor of the organism as a bete ˆ machine elaborated by Descartes in Part V of the Discours,a realization far beyond what anyone in the seventeenth century could have im- ined. Until the middle of the nineteenth century that machine was an articulated collection of macroscopic parts, a system of gears and levers moving gasses, solids, and liquids, and causing some parts of the machine to move in response to the force produced by others. Then, in the nineteenth century, two divergent changes occurred in the level at which the living machine came to be investigated. First, with the rise of chemistry and the particulate view of the composition of matter, the forces on macroscopic machine came to be understood as the ma- festation of molecular events, and functional biology became a study of molecular interactions. That is, the machine ceased to be a clock or a water pump and became an articulated network of chemical reactions. Until the ?rst third of the twentieth century this chemical view of life, as re?ected in the development of classical b- chemistry treated the chemistry of biological molecules in much the same way as for any organic chemical reaction, with reaction rates and side products that were the consequence of statistical properties of the concentrations of reactants.
In 2006 anthropologists Paul Rabinow and Gaymon Bennett set out to rethink the role that human sciences play in biological research, creating the Human Practices division of the Synthetic Biology Engineering Research Center—a facility established to create design standards for the engineering of new enzymes, genetic circuits, cells, and other biological entities—to formulate a new approach to the ethical, security, and philosophical considerations of controversial biological work. They sought not simply to act as watchdogs but to integrate the biosciences with their own discipline in a more fundamentally interdependent way, inventing a new, dynamic, and experimental anthropology that they could bring to bear on the center’s biological research. Designing Human Practices is a detailed account of this anthropological experiment and, ultimately, its rejection. It provides new insights into the possibilities and limitations of collaboration, and diagnoses the micro-politics which effectively constrained the potential for mutual scientific flourishing. Synthesizing multiple disciplines, including biology, genetics, anthropology, and philosophy, alongside a thorough examination of funding entities such as the National Science Foundation, Designing Human Practices pushes the social study of science into new and provocative territory, utilizing a real-world experience as a springboard for timely reflections on how the human and life sciences can and should transform each other.
Is your reader a future biologist? Robert Gardner’s latest experiments book may be just the inspiration for a young scientist considering a career in life science. The many experiments in this title cover the different areas of math and science that biologists use. Ideas for science fair projects are suggested throughout the book, along with clear illustrations, explanations of the scientific method, career information, and guidelines for safe experimenting.
Biological sciences have been revolutionized, not only in the way research is conductedâ€"with the introduction of techniques such as recombinant DNA and digital technologyâ€"but also in how research findings are communicated among professionals and to the public. Yet, the undergraduate programs that train biology researchers remain much the same as they were before these fundamental changes came on the scene. This new volume provides a blueprint for bringing undergraduate biology education up to the speed of today's research fast track. It includes recommendations for teaching the next generation of life science investigators, through: Building a strong interdisciplinary curriculum that includes physical science, information technology, and mathematics. Eliminating the administrative and financial barriers to cross-departmental collaboration. Evaluating the impact of medical college admissions testing on undergraduate biology education. Creating early opportunities for independent research. Designing meaningful laboratory experiences into the curriculum. The committee presents a dozen brief case studies of exemplary programs at leading institutions and lists many resources for biology educators. This volume will be important to biology faculty, administrators, practitioners, professional societies, research and education funders, and the biotechnology industry.