Ebooks de ciencias, página 26 de 705

In Beaver World is Enos A. Millss intimate natural history of Castor canadensis, distilled from years of patient vigils beside mountain streams. Chapter by chapter he unfolds the beavers life cycle, social organization, and architectural craftdams, lodges, canalslinking each to seasonal rhythms and risk. His prose couples anecdote with measurement and plain exposition, situating the beaver as a keystone engineer whose hydrologic works expand wetlands and diversify habitat. The result is a narrative that anticipates ecosystem ecology while remaining rooted in vivid field scenes and the cadence of early twentiethcentury American nature writing. Mills, a Colorado naturalist, guide, and key advocate of Rocky Mountain National Park, wrote from a life embedded in the high country. Managing a lodge and leading expeditions, he kept notebooks on nearby colonies through droughts and wintersexperience that grounds his plea to recognize beavers as conservators of water and soil. Scholars of environmental history, field naturalists, and readers curious about nonhuman engineers will find the book instructive and restorative. It is recommended for those engaged in watershed restoration, rewilding, or climate adaptation, and for general readers seeking lucid, humane science writing with enduring practical relevance.Quickie Classics summarizes timeless works with precision, preserving the authors voice and keeping the prose clear, fast, and readabledistilled, never diluted. Enriched Edition extras: Introduction · Synopsis · Historical Context · Brief Analysis · 4 Reflection Q&As · Editorial Footnotes.

The Natural History of Selborne (1789) assembles Gilbert Whites decades of field notes into an epistolary chronicle addressed to fellow naturalists Thomas Pennant and Daines Barrington. Through lucid, quietly lyrical prose, White records the seasonal pulse of a single English parishits birds, insects, plants, soils, and weathermarrying patient empiricism with pastoral attentiveness. His long-term observations on swallow migration, the habits of earthworms, and the harvest mouse exemplify a proto-ecological method grounded in place. Situated within Enlightenment natural history, the book helped pivot the discipline toward attentive, longitudinal, local study. A country clergyman educated at Oxford, White spent most of his life in Selborne, Hampshire, ministering to his parish while tending gardens and keeping meticulous journals. His correspondence with leading savants, daily walks and weather logs, and deep familiarity with the Hanger and Common fostered a modest, exact observer whose theology of creation harmonized with Enlightenment curiosity. Readers of natural history, Romantic literature, and environmental studies will find this classic both foundational and unexpectedly contemporary: a masterclass in noticing. For anyone seeking rigorous, humane observation and the pleasures of place-based inquiry, Selborne remains an indispensable companion in an age of ecological uncertainty.Quickie Classics summarizes timeless works with precision, preserving the authors voice and keeping the prose clear, fast, and readabledistilled, never diluted. Enriched Edition extras: Introduction · Synopsis · Historical Context · Author Biography · Brief Analysis · 4 Reflection Q&As · Editorial Footnotes.

Submerged Forests distills coastal observation into a rigorous synthesis, tracing drowned tree stumps and peat beds that fringe Britains shores. From case studies of rooted stumps in situ within peat and estuarine silts, Reid reconstructs post-glacial shoreline migration and sea-level change, using stratigraphic sections, plant macrofossils, and occasional artefacts to date phases from late Pleistocene to early Holocene. Written in measured, lucid field prose, it situates coastal peats within debates on eustasy, isostasy, and marine erosion. Clement Reid, geologist and palaeobotanist with the Geological Survey of the United Kingdom, brought a rare synthesis of botanical acuity and coastal mapping to the subject. Collaboration with Eleanor Mary Reid on fossil seeds honed his capacity to read peat deposits as time-series. Years on the Cromer Forest-bed and receding shores supplied the empirical foundation, and his interest in Britains former land connections framed the books broader inferences. This classic rewards geologists, archaeologists, and environmental historians seeking a clear, data-rich account of Holocene shoreline change. It remains an exemplary model of how to build large narratives from humble evidence. Read it for its method: a concise, lucid lesson in making landscapes speak across deep time.Quickie Classics summarizes timeless works with precision, preserving the authors voice and keeping the prose clear, fast, and readabledistilled, never diluted. Enriched Edition extras: Introduction · Synopsis · Historical Context · Brief Analysis · 4 Reflection Q&As · Editorial Footnotes.

THE LAST OF THE PLAINSMEN recounts Zane Greys expedition with the game warden "Buffalo" Jones across the ArizonaUtah plateau, from the Kaibab forests to the North Rim of the Grand Canyon. A hybrid of travelogue, natural history, and adventure reportage, it tracks cougar hunts, rare bison, desert storms, and settlements at the edge of empire. Greys vivid, sometimes purple prose is balanced by field observation, placing the book at the hinge between dimenovel romance, documentary realism, and ProgressiveEra conservation. Grey, an Ohioborn dentist turned novelist and ardent outdoorsman, pursued authenticity through direct experience. Traveling with C. J. "Buffalo" Jones gave him access to techniques of roping predators alive and to Rooseveltera ideas about preservation. The journey furnished notebooks and scenes later refined in Riders of the Purple Sage. Readers of Western history, environmental studies, and narrative nonfiction will find this an invaluable, if morally conflicted, document. Approach its portrayals of wildlife and Indigenous peoples critically, yet savor its canyon vistas and kinetic chases. As frontier elegy and genre seedbed, THE LAST OF THE PLAINSMEN remains bracing and essential.Quickie Classics summarizes timeless works with precision, preserving the authors voice and keeping the prose clear, fast, and readabledistilled, never diluted. Enriched Edition extras: Introduction · Synopsis · Historical Context · Brief Analysis · 4 Reflection Q&As · Editorial Footnotes.

Micrographia (1665) opens a vast new world by recording, in crystalline prose and sumptuous copperplates, the textures and structures of minute bodiesflea and louse, bee-sting and feather, mold, needle point, and the honeycombed cork in which Hooke first named the cells. Organized as a sequence of observations with reflective Inquiries, the book marries measurement with speculation, and sets the Baconian ideal of experiment within the visual rhetoric of the Scientific Revolution. Its dramatic fold-out plates and patient, calibrated descriptions forged a language and iconography for early microscopy. Robert Hooke, polymath Curator of Experiments to the nascent Royal Society and longtime collaborator of Robert Boyle, brought to this work a craftsmans intimacy with instruments and a philosophers appetite for causes. His refinements in lenses and illumination, his habit of daily experiments, and his duty to stage public demonstrations all fed the project; so too did his draughtsmans hand, which translated observation into authoritative image and argument. Readers of science, art, and intellectual history will find Micrographia indispensable: a foundational statement of modern empiricism and a gallery of the unseen. Approach it to witness method at work, to savor disciplined wonder, and to grasp how tools and images re-make knowledge.Quickie Classics summarizes timeless works with precision, preserving the authors voice and keeping the prose clear, fast, and readabledistilled, never diluted. Enriched Edition extras: Introduction · Synopsis · Historical Context · Author Biography · Brief Analysis · 4 Reflection Q&As · Editorial Footnotes.

Zetetic Astronomy: Earth Not a Globe! assembles experiments, anecdotes, and vignettes to argue that Earths surface is planar, circled by an Antarctic ice barrier, and roofed by a nearby, circling sun and moon. Written in forthright Victorian prose, the treatise privileges everyday sight over mathematical abstraction, invoking canals, horizons, and perspective to counter Newtonian cosmology. Interleaving diagrams with courtroom-like cross-examinations of navigators and astronomers, it positions its zetetic method - inquiry before hypothesis - within the bustling culture of nineteenth-century popular science and public lecturing. Parallax was the pen name of Samuel Birley Rowbotham, an itinerant English lecturer and autodidact whose observations along the Bedford Level fens convinced him that orthodox astronomy misstated observable reality. Moving among working-class debating societies and dissenting circles, he cultivated suspicion of elite expertise and a zeal for repeatable demonstrations, which shaped both his teaching and this defiantly empirical book. Recommended to readers of the history and sociology of science, this volume is a primary source in the rhetoric of counter-science. Read it alongside contemporary astronomical manuals: its provocations illuminate how authority, evidence, and spectacle intertwined in the Victorian marketplace of ideas, and still animate public reasoning today.Quickie Classics summarizes timeless works with precision, preserving the authors voice and keeping the prose clear, fast, and readabledistilled, never diluted. Enriched Edition extras: Introduction · Synopsis · Historical Context · Brief Analysis · 4 Reflection Q&As · Editorial Footnotes.

In The Mountains of California, John Muir fuses lyrical reverie with scrupulous natural history to chart the Sierra Nevadas glaciers, forests, cascades, and high meadows. In late nineteenthcentury American nature writings Emersonian current, he advances a glacial account of Yosemite while recording flora, fauna, weather, and rock with exacting taxonomy. The original illustrations extend his itineraries and anchor the books vivid, field-born essays. MuirScottish-born immigrant, itinerant inventor, and later Sierra Club cofounderdrew these chapters from seasons of herding, botanizing, and snow-camping in the high country between 1869 and the early 1870s; the book appeared in 1894. An eye injury, a thousand-mile walk, and settlement in California refined his vocation for attentive wandering. Journals, lectures, and geological debate converge here, shaping a conservation ethic grounded in minute empirical seeing. This edition rewards readers of environmental history, geology, and American letters as well as hikers seeking a field companion. It offers a lucid synthesis of science and rapture, and, with its period plates, a portal into the formative imagination behind Americas national parks.Quickie Classics summarizes timeless works with precision, preserving the authors voice and keeping the prose clear, fast, and readabledistilled, never diluted. Enriched Edition extras: Introduction · Synopsis · Historical Context · Author Biography · Brief Analysis · 4 Reflection Q&As · Editorial Footnotes.

First published in 1876, this two-volume treatise codifies the worlds fauna into six zoogeographic realms: Palearctic, Nearctic, Neotropical, Ethiopian, Oriental, and Australasian, and explains their boundaries through geology, climate, and barriers to dispersal. Wallace integrates exhaustive catalogues with interpretive chapters, using maps, synoptic tables, and bathymetric clues such as shallow seas to infer past connections. Extending P. L. Sclaters avian scheme to vertebrates, his methodical prose offers a Darwinian, historical account that makes biogeography a synthetic science. Wallaces argument grows from lived experience. Years in the Amazon and the Malay Archipelago, where he traced the Wallace Line between Bali and Lombok, gave him intimate knowledge of island faunas, endemism, and migration barriers. As co-formulator of natural selection and an indefatigable collector for museums, he turned field notes, specimen lists, and correspondence with Darwin, Huxley, and Sclater into a principled framework for why species occur where they do. Scholars of evolution, macroecology, and the history of science will find this foundational synthesis indispensable; conservationists and systematists will value its durable logic and global scope. Read it for empirical rigor and conceptual clarity: a master class in converting natural history into theory, and in learning to read the map of life.Quickie Classics summarizes timeless works with precision, preserving the authors voice and keeping the prose clear, fast, and readabledistilled, never diluted. Enriched Edition extras: Introduction · Synopsis · Historical Context · Author Biography · Brief Analysis · 4 Reflection Q&As · Editorial Footnotes.

Desde que, transportada por el tornado de la inter-, multi- y transdisciplinariedad, la psicología política del desarrollo aterrizó en el quizás-no-tan maravilloso País de Oz, los cuentos de hadas ya no son lo que eran. O si lo son, al menos en teoria, porque la ciencia, sobre este y varios temas mas, tiene una que otra cosa que añadir en estas paginas.A diferencia de las gafas verdes del Mago, las que aqui nos prestan investigaciones, evidencias y descubrimientos variopintos nos ofrecen nuevas formas de entender la literatura y otras artes, la naturaleza humana y no humana, la sociedad y la cultura. Asi, podemos experimentar la lectura o relectura de novelas con corazon en la compañia de los cardiologos y apreciar las tormentosas tribulaciones del biblico rey Nabucodonosor desde la perspectiva de un neurologo. Podemos comprender que miedos disfrazan las imaginarias evocaciones de infancias nada angelicales y las igualmente irreales invocaciones al demonio en nuestro siglo. Y tal vez nos sea util (re)pensar en el bullying, la amistad, el turismo, la muerte y hasta nuestro (dis)gusto por el chile tomando en cuenta que habria pensado Darwin de todo esto.Bienvenidas sean todas las personas para quienes un "me parece que ya no estamos en Kansas" no es mas que una invitacion a aventurarse con gozo, y a explorar libremente, territorios que no distinguen entre hiperbolas e hiperboles, cuando de lo que se trata con todo de lo que aqui se trata es de hablar sobre ciencia, en teoria.

On the Origin of Species is one of the most influential scientific books ever written. In this groundbreaking work, Charles Darwin presents the theory of evolution by natural selection, reshaping biology and humanitys understanding of life on Earth. The 6th edition reflects Darwins refined arguments and responses to critics. Clear, methodical, and revolutionary, this book remains essential reading for students of science, philosophy, and intellectual history.

Acompanhe a trajetória de Mik, um jovem cheio de sonhos e talento para o rap, enquanto ele e seus amigos enfrentam os desafios da vida nas ruas da cidade. Entre gravações, batalhas de rima, pequenos

La continuación del gran éxito internacional Dopamina¿Por qué nunca es suficiente? Buscamos más éxito, más placer, más reconocimiento... y aun así seguimos insatisfechos. La respuesta está en la dopamina: la molecula que impulsa nuestro deseo, nos motiva a actuar y nos hace soñar con lo que viene despues, pero tambien nos atrapa en un ciclo de insatisfaccion constante. Promete felicidad, aunque alcanzarla depende unicamente de nosotros.En esta esperada secuela del best seller Dopamina, Michael E. Long revela como, con el control adecuado, esta molecula puede convertirse en la clave de una vida mas plena. Este manual practico te brinda las herramientas para comprender como esta sustancia moldea nuestras emociones, habitos y decisiones, y sobre todo, como aprovecharla para alcanzar una satisfaccion real. Aprenderas a liberarte de las redes sociales y del doomscrolling, a aumentar tu productividad gracias al multitasking, a potenciar tu creatividad y a reavivar la chispa en tu relacion de pareja.

En los programas de control de vectores, un aspecto destacado es la diferenciación de las especies involucradas en la transmisión de enfermedades de importancia en salud pública, ya que de esto depende en gran parte el diseño de la estrategia y la aplicacion selectiva de diferentes metodos o alternativas de control. Entre los vectores de malaria es relativamente facil reconocer el genero Anopheles, pero cuando se trata de la diferenciacion especifica, resulta a veces complejo identificar los caracteres diagnosticos particulares. En Colombia, mediante el uso de caracteres morfologicos se registran cerca de cuarenta especies, pero muchas de estas son parte de o constituyen un complejo de especies cripticas, ya que la variabilidad intraespecifica que estas exhiben se traslapa con la de otras especies del genero, haciendo dificil su determinacion. Este libro es un intento por resolver, al menos parcialmente, este problema para las especies que actualmente son conocidas en Colombia. Con base en caracteres diagnosticos especificos, estudios de variabilidad fenotipica y adecuaciones de claves de determinacion existentes, se presentan claves dicotomicas de diferenciacion de especies de Anopheles, para larvas, hembras y genitalia de machos. Se incluyen ilustraciones para facilitar la identificacion de los caracteres diagnosticos. Adicionalmente, se da la distribucion conocida de las especies para los diferentes departamentos y municipios de Colombia, asi como metodos de preservacion de adultos, larvas y genitalia de machos. Tambien se presenta una clave dicotomica ilustrada para la diferenciacion de generos en larvas y hembras de la familia Culicidae con distribucion en Colombia.

En los programas de control de vectores, un aspecto destacado es la diferenciación de las especies involucradas en la transmisión de enfermedades de importancia en salud pública, ya que de esto depende en gran parte el diseño de la estrategia y la aplicacion selectiva de diferentes metodos o alternativas de control. Entre los vectores de malaria es relativamente facil reconocer el genero Anopheles, pero cuando se trata de la diferenciacion especifica, resulta a veces complejo identificar los caracteres diagnosticos particulares. En Colombia, mediante el uso de caracteres morfologicos se registran cerca de cuarenta especies, pero muchas de estas son parte de o constituyen un complejo de especies cripticas, ya que la variabilidad intraespecifica que estas exhiben se traslapa con la de otras especies del genero, haciendo dificil su determinacion. Este libro es un intento por resolver, al menos parcialmente, este problema para las especies que actualmente son conocidas en Colombia. Con base en caracteres diagnosticos especificos, estudios de variabilidad fenotipica y adecuaciones de claves de determinacion existentes, se presentan claves dicotomicas de diferenciacion de especies de Anopheles, para larvas, hembras y genitalia de machos. Se incluyen ilustraciones para facilitar la identificacion de los caracteres diagnosticos. Adicionalmente, se da la distribucion conocida de las especies para los diferentes departamentos y municipios de Colombia, asi como metodos de preservacion de adultos, larvas y genitalia de machos. Tambien se presenta una clave dicotomica ilustrada para la diferenciacion de generos en larvas y hembras de la familia Culicidae con distribucion en Colombia.

O Ensaio, Eu e o Ego, chega imbuído de anseios com a finalidade de auxiliar os que não tem conhecimento psicológico e analítico do funcionamento da Psiquê (a mente humana) E contribuir até mesmo com

Entre a Lama e as Estrelas, uma Sinfonia da Alma Gaúcha" Neste livro, a poesia é um rio que arrasta consigo histórias de dor e esperança. Das enchentes que engoliram casas e memórias no Vale do Taquari a saga mitologica das almas gemeas em busca de redenço, *Harpa Cosmica* e um mosaico de vozes: mes que protegem filhos em abrigos improvisados, cavalos que resistem em telhados submersos, amores que transcendem seculos. Com versos que ecoam a grandiosidade de Cames e a crueza de Aluisio Azevedo, O autor tece uma narrativa epica sobre a hybris humana e a força da natureza. Aqui, a filosofia estoica dialoga com a espiritualidade de Chico Xavier, e a reconstruço de Porto Alegre torna-se metafora da cura interior.

🐾 La pérdida de una mascota deja un vacío que pocas personas comprenden por completo. El dolor es real, profundo y, muchas veces, silenciado. Esta guía nace para acompañarte cuando el amor continúa,

Esta obra procura mostrar ao leitor, a rotina de uma população que viveu algumas décadas passadas, em Vale Gêmeos cidade fictícia onde acontece coisas inimagináveis. Nos bairros da pequena cidade, o

🐾💔 Esta obra nace como una carta íntima, profunda y sanadora dirigida a una mascota amada, transformándose en una poderosa herramienta de terapia emocional para atravesar el duelo y reconstruir el

🐾💔 Perder a tu primera mascota es enfrentarte a una herida emocional que nunca antes habías sentido. Este libro acompaña ese momento único y devastador, cuando el silencio en casa pesa más que las