Desafíos matemáticos

La naturaleza está llena de innumerables criaturas salvajes, extrañas y maravillosas, de todas las formas y especies. Cada animal se ha adaptado para sobrevivir en su entorno particular. Cada ser vivo desempeña una función única e importante en nuestro planeta. Sorpréndete con esta divertida recopilación de los animales más inútiles (¿o no?) del mundo.

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.

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,...

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.