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Yes, there really is a brain that destroys itself. And its a brain just like the one in your head. But not every one of the brains like yours will ultimately destroy itself. However, if the destroying begins, then the signs of this are described in what neurologists take to be the symptoms of neurodegenerative diseases. Those most often encountered are Alzheimers and Parkinsons disease, but there are many otherssurprisingly many, as explained here....
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Human fertility is the capability of producing healthy offspring through normal sexual activity. There a lot of methods for a successful fertilization. Some of them are: fertility drugs, artificial insemination, donor sperm, in vitro fertilization, donor eggs and more. This will depend in the health, genetic and lifestyle of the man and the woman. A pamphlet would be great for a biology student because it will give orientation for their future fertilization...
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In 1944, the Nobel Prize—winning physicist Erwin Schrödinger published a groundbreaking little book called What Is Life? In fewer than one hundred pages, he argued that life was not a mysterious or inexplicable phenomenon, as many people believed, but a scientific process like any other, ultimately explainable by the laws of physics and chemistry.
Today, more than sixty years later, members of a new generation of scientists are attempting to create...
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¿Qué tiene la ciencia para decir sobre los monstruos que nos han aterrado por generaciones, desde los clásicos Frankenstein y Drácula hasta los vampiros enamorados de la saga Crepúsculo? En la variedad está el susto: bajo el ropaje de malvadas brujas en los cuentos infantiles o como muertos vivos que acechan a la vuelta de la esquina, los monstruos viven con nosotros, nos atraen, nos espantan, nos reafirman como humanos. Es que, justamente,...
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Human beings evolved in a tribal environment. Over the millennia, our brains have become adept at fostering social networks that are the basis of group cohesion, from the primary family unit to the extended associations of clans, villages, cities, and nations. This essential social component of our behavior gave the human species distinct survival advantages in coping with the challenges of an often-hostile environment. This book examines the many...
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In Emergence, Mind, and Consciousness, author Gary A. Lucas does something that many consider impossible: he bridges the gap between a bottom-up description of brain mechanisms and the top-down emergence of mental processes. The result is a comprehensive yet readily understandable explanation of how consciousness emerges. Lucas, however, strives to do more. He seeks to design an artificial agent with all the essential properties of the human mind...
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¿Qué hay en la belleza y por qué nos importa tanto? Desde tiempos inmemoriales los humanos han acudido a tinturas, pócimas, filtros y otros artilugios para ser mirados y admirados. Los egipcios, por ejemplo, delineaban sus párpados con kohl y las mujeres usaban sombras verdes y azules, colorete en las mejillas y carmín de un rojo intenso en los labios. De ese modo no sólo cautivaban a sus medias naranjas, también obtenían la protección de...
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Este texto reemplaza un manuscrito no publicado que fue preparado por el primer autor en 1999 y que fue multiplicado de manera informal en la Sede Palmira de la Universidad Nacional de Colombia. En general, esta versión cubre los mismos aspectos del manuscrito original, pero amplía y actualiza los temas inherentes a la relación planta-insecto, el muestreo de poblaciones, el papel de los insectos como vectores de enfermedades de plantas, el control...
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How many eyes does a spider have? How do you grow seedless plants? Could bacteria survive near nuclear reactors? Can you name animals that travel in coalitions, parliaments and mischiefs? These are just a few of the interesting questions youll find answers to in Little Facts of Life. Enjoy high-interest, paragraph-long readings that deal with topics from the plant kingdom, animals, genetics, ecology and the microscopic world. Learn about a fungus...
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The world is blindfolded by two systems known as the lunar calendar and the Gregorian calendar, and both are giving inaccurate timelines for archaeological discoveries, radiocarbon dating and your actual age. You Are Younger than Your Age seeks to clarify any doubts about your actual age and the age of the other worlds. It offers comprehensive information about creationism and spirituality, as well as the functioning of the other distinctive worlds....
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Los alimentos frescos pueden tener un alto riesgo de contaminación por factores biológicos, físicos y químicos, desde su desarrollo en los campos de cultivo hasta su llegada al consumidor final, por ello es importante determinar las pérdidas por causas primarias y secundarias, las cuales se presentaron en el capítulo 1, para tomar medidas de control en cada una de las etapas del proceso productivo. Teniendo en cuenta que la mayoría de los productores...
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Can science and art find common ground? Are scientific and artistic quests mutually exclusive? In this new book, neuroscientist Eric Kandel, whose interests span the fields of science and art, explores how reductionism - the distillation of larger scientific or aesthetic concepts into smaller, more tractable ideas - has been used by scientists and artists alike to pursue their respective truths. Their common use of reductionist strategies demonstrates...
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It took Charles Darwin more than twenty years to publish this book, in part because he realized that it would ignite a firestorm of controversy. On the Origin of Species first appeared in 1859, and it remains a continuing source of conflict to this day. Even among those who reject its ideas, however, the work's impact is undeniable. In science, philosophy, and theology, this is a book that changed the world. In addition to its status as the focus...
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Neither in my own nursing education at the B.S.N. nor at the M.S.N. level, was it even suggested, much less required, that I read any of Florence Nightingale's original writings. Even as a nurse educator for over 30 years, I did not require my students to read her writings either. After reading this book, I now believe it is a void in the education of a nurse not to read at least some of the writings of the founder of modern day nursing. Notes on...
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2019.
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English
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"Bill Bryson, bestselling author of A Short History of Nearly Everything, takes us on a head-to-toe tour of the marvel that is the human body. As compulsively readable as it is comprehensive, this is Bryson at his very best, a must-read owner's manual for everybody. Bill Bryson once again proves himself to be an incomparable companion as he guides us through the human body--how it functions, its remarkable ability to heal itself, and (unfortunately)...
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