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Más allá de lo que percibimos a simple vista, palpita un microcosmos que lo abarca todo: muchos de sus habitantes colonizan nuestros cuerpos sin hacernos daño, como parte de la flora normal de distintos órganos, mientras que otros pueden causarnos enfermedades de leves a graves, e incluso la muerte.
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"Motor System" is a part of the college-level Principles of Biology course series and the Neuropsychopharmacology course series textbooks. It is a tutorial written in questions and answers format to describe the anatomy and physiology of the motor system, including muscles and motor neurons.
It is a study guide with in-depth explanations. Each section is a modular unit that is self-contained for easy reading. The principles and concepts are introduced...
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Why Elephants Have Big Ears is the result of one man's lifelong quest to understand why the creatures of the earth appear and act as they do. In a wry manner and personal tone, Chris Lavers explores and solves some of nature's most challenging evolutionary mysteries, such as why birds are small and plentiful, why rivers and lakes are dominated by the few remaining large reptiles, why most of the large land-dwellers are mammals, and many more.
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Man's Selection sets the scientific record straight by taking a fresh look at Charles Darwin's phenomenal theories regarding Creation, Evolution, and Intelligent Design. In The Origin of Species, Darwin stated that "the Creator" originated one or more forms of life, that "the Creator" established the laws governing nature, and that "the works of the Creator" were superior to those of man. Darwin also addressed intelligent Design through the inclusion...
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Niles Eldredge is the Curator of the Department of Invertebrates at the American Museum of Natural History.
Like the bird whose death signaled dangerous conditions in a mine, the demise of animals that once flourished should give humans pause. How is our fate linked to the earth's creatures, and the cycle of flourishing and extinction? Which are the simple workings of nature's order, and which are omens of ecological disaster? Does human activity...
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A look at the evolutionary causes of violent conflicts that's "worth reading, and arguing about" (Toronto Star). Why does war seem to be so fundamental to our species? And is there anything we can do about it? Sex and War explores these questions from the frontlines of war-torn countries around the world. As a scientist and obstetrician, Malcolm Potts has worked with governments and aid organizations globally, and in the trenches with women who have...
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William Agosta is Professor Emeritus at Rockefeller University and a Visiting Investigator at the University of Washington's Friday Harbor Laboratory. He is the author of Chemical Communication and Bombardier Beetles and Fever Trees.
The tobacco plant synthesizes nicotine to protect itself from herbivores. The female moth broadcasts sex pheromones to attract a mate, while a soldier ant deploys an alarm pheromone to call for help. The carbon dioxide...
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This illustrated manual describes and discusses the unusually rich and varied flora of the Carolinas, from the semi-tropical coast of South Carolina to the northern forests of the high North Carolina mountains. The manual treats in detail and in a concise format more than 3, 200 species of trees, shrubs, vines, herbs and ferns that grow without cultivation in this two-state area. Special features include diagnostic illustrations, keys for identification,...
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Esta obra presenta resultados de trabajos del grupo de investigación en Productos Naturales Vegetales de la Universidad Nacional de Colombia, a nivel de pregrado y posgrado; explora la biodiversidad del país desde el punto de vista químico y biológico de las familias Myristicaceae, Rutaceae, Anonnaceae, Lauraceae, Piperaceae, entre otras. La investigación determina también la composición de algunos aceites esenciales mediante procesos de extracción...
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What drives us to eat and accounts for different appetites? Why is breathing at high altitudes easy for birds and difficult for humans? Why do animals have two sets of sensory organs-eyes, ears, nostrils, etc...?
In Why Geese Don't Get Obese, physiologist Eric Widmaier describes the astonishing ways humans and other creatures have adapted to their environmental challenges in order to survive. Surprising examples, a sense of humor, and some insightful...
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El 12 de diciembre de 2005 fueron organizadas en la ciudad de Valencia por la Conselleria de Territori i Habitatge y el Instituto Mediterráneo para el Desarrollo Sostenible (IMEDES), conjuntamente con una serie de instituciones que prestaron su colaboración, unas jornadas denominadas Los Residuos Urbanos en la Comunidad Valenciana: Estado de la Cuestión. Este título respondía a la necesidad de integrar en una misma plataforma de debate la intervención...
72) Stolen Rain
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Two centuries of World deforestation have warmed cleared coastal soils that stole the rain, once borrowed by their trees, to further wet their land and raise their run-off. Roads and roofs and runways have sealed more land and drained more stolen rain into our rising seas. Rain stolen from our lowest inland falls so even less is left to feed our inland rivers as they dry.
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Known as "Darwin's Bulldog" for his impassioned defense of evolutionary theory, Huxley published this, his most famous book, just a few years after Darwin's The Origin of Species. Unlike Origin, this book focuses on human ancestry and offers a concise, nontechnical survey of mid-19th-century knowledge about primate and human paleontology and ethology.
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Helen Ross Lee's memoir The Phoenix Rising shows us a successful nurse, mum, and hang gliding champion at the top of her game. In 2008, she suffered a tragic accident in a practice takeoff maneuver that resulted in a grievous traumatic brain injury (TBI), which precipitated a coma and temporary amnesia. Helen refused to give up or give in, regardless of the gloomy prognosis from medical experts. Her ten-year struggle to rehabilitate and return to...
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Biochemistry is the study of the chemical processes that occur within living organisms. From the intricate mechanisms of DNA replication to the production of ATP in our cells, biochemistry is at the heart of all biological processes."The Molecules of Life" is an accessible and engaging introduction to the world of biochemistry. Through a series of chapters, readers will explore the key concepts and molecules that make life possible.Starting with an...
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This book is meant to be used as class notes for the courses on diseases of horticultural crops. The book discusses The Occurrence Patterns, Symptoms, Epidemiology, Management Strategies, and Names of Susceptible and Resistant Cultivars for The Diseases. The book is suitable for both undergraduate and postgraduate students because of the following reasons. o The Book Covers the Entire ICAR Syllabus. o The Book Has Been Presented in a Student Friendly...
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Lección magistral leída en el solemne acto de apertura del curso 2017-2018. Santiago Mas-Coma, director de la Unidad de Parasitología Sanitaria (Centro Colaborador de la OMS) y catedrático del Departamento de Farmacia, Tecnología Farmacéutica y Parasitología de la Facultad de Farmacia de la Universitat de València, ha sido el encargado de la lección magistral leída en el solemne acto de apertura del curso 2017-2018 bajo el título «Enfermedades...
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El niño adolescente y adulto que era James, siempre había observado el cielo nocturno buscando el brillo de las estrellas en el firmamento, e intuía que existía algo más de lo que percibían sus cinco sentidos. Al mismo tiempo que un narrador describe andaduras y pasajes de su vida en el extrarradio de Barcelona centradas a finales de los años 70 y principios de los 80, algunas de sus amistades hablan en primera persona y, su yo más elevado,...
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Every flu season, sneezing, coughing, and graphic throat-clearing become the day-to-day background noise in every workplace. And coworkers tend to move as far-and as quickly-away from the source of these bodily eruptions as possible. Instinctively, humans recoil from objects that they view as dirty and even struggle to overcome feelings of discomfort once the offending item has been cleaned. These reactions are universal, and although there are cultural...
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