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African buffalo are large and fierce, and they can be very dangerous. This book presents interesting facts in both English and standard Latin-American Spanish about the life and habits of this formidable animal. Readers will be captivated by the book's great photographs, too. -
In this informative bilingual book, readers will learn about Abraham Lincoln's life, from his childhood in a log cabin in Illinois to his presidency during the Civil War to his tragic assassination at Ford's Theater. A timeline gives readers a reference point for facts about "Honest Abe." The uncomplicated English to Spanish translation imparts essential biographical data with lessons on perseverance and leadership. -
Animal lovers can't help but be fascinated by aardvarks, even if they think it's a little gross that these large animals use their long tongues to slurp up ants and termites. This bilingual book is full of enchanting photographs and interesting facts about these unusual-looking, but very interesting, animals. -
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PROMOAmapola es una cerdita de andares torpes como los de un patito, que siempre sueña a lo grande ¡quiere ser una estrella!. Pero pronto cae en la cuenta de que eso no tan fácil conseguir como parece. -
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PROMOI. Introducción. Concepto. II. Situaciones protegidas. III. El hecho causante y sus requisitos. IV. Contenido de la prestación: base reguladora y cuantía en los diversos grados. V. La calificación de la incapacidad permanente. VI. Dinámica de la prestación de incapacidad permanente. Especial referencia a la revisión de la incapacidad permanente. VII. Responsables de la prestación de incapacidad permanente. VIII. Normas especiales para la incapacidad permanente derivada de enfermedad profesional. IX. Incompatibilidades de la pensión de incapacidad permanente con otras pensiones o subsidios. X. La pensión de invalidez del SOVI. -
Audio and visual cues facilitate some of our most powerful sensory experiences and embed themselves deeply into our memories and subconscious. Sound and light waves interact with our ears and eyesour biological interpreterscreating a textural experience and relationship with the world around us. This well-researched volume explores the science behind acoustics and optics and the broad application they have to everything from listening to music and watching television to ultrasonic and laser technologies that are crucial to the medical field. -
As the world's population expands, so too does the risk of communicable disease and global pandemics. Consequently, healthcare has assumed a greater centrality in the public consciousness both in the United States and around the world. With various national and international organizations dedicated to epidemiological research and disease control, societal welfare has become an increasingly significant aspect of public policy. The historical, legal, and scientific factors that form the basis of public health locally and globally are the subjects of this relevant and revealing volume. -
Presents an introduction to rivers and streams, including the effects they have had on human settlements and trade, and the physical geography of the earth; also examines the major rivers in the world, including the Nile, Amazon, and Ganges. -
Examines the history of probability and statistics, including the geniuses of invention and theory, the practical applications of the math, and explanations of the major topics. -
Communication and, indeed, our comprehension of the world in general are largely ordered by the number and measurement systems that have arisen over time. Numbers lend structure to human interaction by standardizing the language we use to interpret quantities and by helping us understand natural relationships between varying concepts. This book delves into the history of mathematical reasoning and the progression of numerical thought around the world. With detailed biographies of seminal thinkers and theorists, readers develop a sophisticated understanding of some of the most fundamental arithmetical concepts as well as the individuals who established them. -
Examines the history, discoverers, and applications of geometry, including how and why it works. -
Examines the history of analysis and calculus, including the geniuses of invention and theory, the practical applications of the math, and explanations of the major topics. -
Calculating and manipulating the unknown has been the enterprise of the field of algebra since its earliest inception in Babylon and ancient Egypt. Trigonometry draws on principles presented in algebra and uses angle measurements to elaborate on geometric calculations. Essential to further mathematical and scientific study, both algebra and trigonometry provide crucial tools in managing variables and understanding the relationships between them. This volume presents the fundamentals of these fascinating areas of mathematics while chronicling their respective histories. -
Presents a history of ancient American civilizations prior to the arrival of Columbus, discussing history, agriculture, religion, architecture, art, and politics. -
Presents an introduction to genetics, discussing genes, chromosomes, probability, DNA, mutation, and the Human Genome Project. -
What is your carbon footprint? Readers can find out inside this book. Energy comes from many different sources, but some of them are quickly depleting. Readers explore the different ways to replace fossil fuels, such as solar energy and hydropower. They even discover small steps they can take to make themselves more energy efficient, such as walking or riding a bike to school. -
Chemistry is often a daunting subject for students, fostering a bewilderment that sets in upon their first encounter with the Periodic Table. This book demystifies an important aspect of the subject--chemical reactions--and demonstrates exactly how fascinating and fun chemistry can be. Starting out by explaining just what a chemical reaction is--and what it isn't--the book details in accessible language the various kinds of chemical reactions that are possible. It draws upon readily comprehensible everyday examples, like rusting metal, baking bread, battery power, digestion, rotting eggs, and burning candles. The book then turns to a survey of the history of chemical research, beginning in the Ancient and Classical Worlds, progressing to the Medieval alchemists and Renaissance innovators, and ending with the leading lights of modern chemistry. Readers will be introduced to luminaries such as Antoine Lavoisier, John Dalton, Louis Pasteur, Dmitri Mendeleyev, the Curies, and Ernest Rutherford. It concludes with an inspiring examination of how current research and cutting edge developments are using chemistry and chemical reactions to save lives and insure continued life on Earth. This book amply illustrates the accessibility, relevance, and gee-whiz fun of chemical reactions. -
The increasing power of mobile communications devices has reached the point where they now act as a pocket-sized computer. With this much power, a wide range of downloadable applications, and always-available Internet access, the ability to use todays smartphones for productivity and schoolwork has huge potential. This book examines the uses, applications, and relative strengths and weaknesses among these devices. It also reveals how mobile devices can be used to find information related to communication, research, school work, and even fun and games. The reader will discover the latest techniques for gathering information on-the-go, in the form of digital photos, text, audio, and video, using mobile devices. They will also learn how to use those same mobile devices to organize, retrieve, and relay the information they have gathered to friends, family, study partners, and teachers. The book also includes the latest guidelines for proper digital and cell phone etiquette and security, Myths and Facts, and 1 Great Questions to Ask an IT Specialist -
The Internet brought about a total revolution in the world of information. Today, anyone with an Internet connection can access a wealth of information online. As our access to data increases, copyright laws struggle to keep up. This book examines how copyright law has been applied to online content, the emerging open source movement, fair use, proper citation practice, and the ethics of using and citing online information. It is an invaluable resource for today's students. -
Discusses energy sources, including their history, nuclear power, renewable energy resources, the effects of the search for resources on the world, and possible future developments. -
It powers everything from lights and computers to toys and TVs, but how much do readers really know about what electricity is and how it works? This valuable book introduces kids to this crucial science topic in a fun and straightforward manner. -
This book looks at the business of sports, from ticket sales to merchandising to televised broadcasting. -
Young Mico is a slave in a big house in Pompeii. His only friend is the house dog, Fortunatus. One quiet summer day, Fortunatus suddenly runs away. He takes Mico with him. What does the dog know? What is he afraid of? Is it, perhaps, the mountain behind the town? -
Describes the physical characteristics, behavior, life cycle, and natural environment of the honeybee -
Being responsible means you can be trusted to do important things without being told. Sometimes, it might seem hard to be responsible or to discern the right path independently. This motivating guidebook explains just how easy being responsible can be at home, school, and around the neighborhood. -
What does it mean to be a good citizen? It means being helpful and following the rules. Readers discover that they can do their part to make their communities better one small action at a time. Colorful photographs show kids being the best citizens they can be at school, at home, and with their friends. -
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Introduces nuclear power and describes its history, how it is transformed to generate electricity, and the future of the alternative energy source -
Understanding how the stock market works is essential in todays economy. This book offers readers straightforward explanations of the essentials, including the definition of stocks, how theyre bought and sold, how theyre priced, commissions, splits, and more.
