Los setenta grandes misterios del mundo natural

An alphabetical guide to over 200 dinosaurs and other prehistoric animals, covering where and when they lived.

"The Harvard Educational Review is a journal of opinion and research in the field of education. Articles are selected, edited, and published by an editorial board of graduate students at Harvard University. The editorial policy does not reflect an official position of the Faculty of Education or any other Harvard faculty."-- Volume 81, Number 2, Summer 2011

The books in this series put within the reach of young adult readers the lives of individuals--scientists, explorers, humanists--who distinguished themselves by their contributions to history and progress. They are written in an engaging style and contain an abundance of information that brings each individual's achievements to life. Charlemagne, also known as Charles the Great, was king of France and emperor of the West. Since the beginning of his reign in 768, he sought to unite Western Europe by expanding into what became the Carolingian Empire. This biography explains how, thanks to his...

Razonar el efecto del zapatismo y de sus múltiples explicaciones en el horizonte historiográfico tanto como en el de la realidad social, en su tiempo y en el nuestro, es el objetivo principal de este libro.

Resumen: La palabra mediación, nos refiere necesariamente a estar en medio, como en una encrucijada, con tener uno o varios caminos por delante pero con muchas posibilidades. Ello nos remite a los principios de incertidumbre y complejidad abor- dados desde los paradigmas emergentes e implica reflexio- nar sobre nuestro accionar como sujetos sociales en relación con los y las otras, en los diversos procesos de la vida, lo que lleva un orden implicado vinculado a procesos de aprendizaje.