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Noche y niebla
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Guía fotográfica de las aves de la Universidad Pedagógica Nacional y experiencias pedagógicas en ornitología
Este libro es el resultado de un proceso investigativo que buscó reconocer el gran potencial pedagógico, didáctico y biológico que tiene la UPN para el estudio y conservación de las aves. La publicación es el fruto de más de dos años de trabajo de observación, de registro fotográfico y de investigación en tres sedes de la institución (Parque Nacional, Valmaría y calle 72) y en otras regiones del país donde se realizaron trabajos edagógicos que involucraron a las aves como una estrategia educativa.
Damselfly Genera of the New World
Featuring more than 2,500 illustrations and based on the authors' personal observations, Damselfly Genera of the New World is an indispensable resource for entomologists, limnologists, and naturalists.
Methuselah Flies
Methuselah Flies presents a trailblazing project on the biology of aging. It describes research on the first organisms to have their lifespan increased, and their aging slowed, by hereditary manipulation. These organisms are fruit flies from the species Drosophila melanogaster, the great workhorse of genetics. Michael Rose and his colleagues have been able to double the lifespan of these insects, and improved their health in numerous respects as well. The study of these flies with postponed aging is one of the best means we have of understanding, and ultimately achieving, the postponement of aging in humans. As such, the carefully presented detail of this book will be of value to research devoted to the understanding and control of aging.Methuselah Flies: ? is a tightly edited distillation of twenty years of work by many scientists? contains the original publications regarding the longer-lived fruit flies? offers commentaries on each of the topics covered ? new, short essays that put the individual research papers in a wider context? gives full access to the original data ? captures the scientific significance of postponed aging for a wide academic audienc
Transatlantic Religion
Transatlantic Religion offers a historical reinterpretation of nineteenth-century American Christianity, one that emphasizes European connections. Its authors represent a diverse group of international scholars offering new insights based on a range of analytical approaches to previously unexamined archival sources.
Tropical Agroforestry
Agroforestry is recognized as a sustainable land-use management in the tropics, as it provides environmental-friendly ecosystems; it also provides people with their every day need for food and cash. Since the recognition of agroforestry as a science, curricula have been developed for agroforestry programs for undergraduate and graduate trainings in Universities. Therefore, there is an urgent need to develop and make available educational material. This textbook strives to provide up-to-date information on tropical agroforestry to serve as educational material in the tropical context. The authoritative textbook of Nair (1993) on agroforestry was published 18 years ago, and before the advent of tree domestication, an important agroforestry practice today. In addition, many other research activities, such as carbon sequestration and integrated pest management, have been included in the agroforestry agenda. This textbook is intended for agroforestry students, teachers, and practitioners.
Phase retrieval for object and probe in the optical near-field
Lensless, holographic X-ray microscopy is a non-invasive imaging technique that provides resolution on the nanometer scale. Therefore, a divergent, coherent and especially clean wave front impinging on the sample is needed. Yet, focusing X-rays by even the most advanced X-ray mirrors causes so called figure errors of high spatial frequency content. The results are strongly deteriorated intensity profiles that are often even more pronounced than the holographic image of the sample itself. A common strategy to compensate these figure errors is to divide the hologram by the pure intensity profile of the beam (the so called flat field). However, this division is only valid in the limiting case o...
