Mujeres en las ciencias (Women in Science)

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

The objective of this work consists on clarifying what the sociocultural animation is, its epistemological perspective, is as well as its scientific construction. It pursues, also, to train the professionals and volunteers linked to the social field of the education and the sociocultural animation for, this way, to improve their daily practice. The purpose of the authors is that the readers know in the different conceptions of the sociocultural animation, analyze its character and achieve a clearer vision of what it is and what it means. They are also presented the anthropological,...

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

Para jóvenes lectores que además ejercen de espías, detectives, conspiradores y aventureros, este libro presenta todo tipo de sistemas, de lenguajes y de ingenios para crear y ocultar mensajes secretos. Desde las órdenes cifradas de Julio César, hasta el extraño mensaje en clave que escribió el hombre de la máscara de hierro, el código que utilizó Sherlock Holmes o la fabricación de tinta invisible, con ejercicios prácticos y un diploma acreditativo.

Ayudar a un niño a que asimile acontecimientos dolorosos o felices, inesperados o inevitables, a que acepte sus limitaciones y cualidades, a que adquiera hábitos y actitudes, es una tarea que puede resultar ardua y, en ocasiones, muy difícil de llevar a cabo. Este libro, que su autor define como una extensa guía de lectura, se ofrece como herramienta para encontrar un espacio en el que el entendimiento entre un adulto y un niño sea posible. Es un libro que favorece el disfrute compartido del gran festín que es la vida a través de los exquisitos sabores de la literatura.