¿Qué significa ser programador? (What's It Really Like to Be a Coder?)

If it were possible to shrink down and take a tour of a human body, would you want to go? Readers will get that chance when they explore the body of a guy named Marty, who will let them check out the body systems that keep his heart beating and his body moving every day. With the help of a tiny ship that goes through his ears and all the way through his digestive system, readers will learn exactly what they are made of with this great book.

We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that mechanics work on vehicles, including cars, boats, and buses. They use special tools to take them apart and fix what's wrong, and they use their experience and technology to diagnose problems. They often work long hours, sometimes in bad weather, to get us where we need to go. Your readers will see that mechanics keep our world moving and growing.

Examines prehistoric cave bears, including their biology, hunting techniques, and lifestyles. Discusses possible reasons for their extinction.

Con el título común «Elementos de retórica» se reúnen las dos obras fundamentales que Giambattista Vico consagró a esta cuestión: la lección inaugural del curso académico de 1708 de la Universidad de Nápoles, publicada más tarde como «De nostri temporis studiorum ratione», y el manual de la materia, que Vico explicó en Nápoles entre 1698 y 1741, las «Institutiones oratoriae», y no llegó a editar en vida. Ambas constituyen un capítulo importante de la historia del humanismo y dan testimonio de la conexión entre éste y la retórica. Como ya advirtiera Hans-Georg Gadamer,...

Find out how tools have helped people hunt, build, and make life easier in this engaging, Spanish-translated nonfiction title. With colorful images, timelines, charts, a glossary to assist with vocabulary improvement, and an index, children will learn how tools throughout time have made such an important impact on life as we know it! Featured eras include the Stone Age and the Industrial Revolution.

Many children have heard of dams, but not many know what they are. This book engages young readers as it reveals the many fascinating aspects of the worlds largest dam, which was built on the border of Paraguay and Brazil.