Trayectoria de choque: Los asteroides y la Tierra (Collision Course: Asteroids and Earth)

Ants are so important to our ecology that some scientist fell that if ants ever disappear so might humans! SOY UNA SEMILLA es un libro de la serie Hola, lector! que muestra la diferencia entre dos semillas, asi como su evolucion hasta llegar a convertirse en plantas. Los ninos disfrutaran del texto dinamico con el que esta escrito este libro.

Did you know that the first wheel was not invented for transportation or that the system used to create computers was based on the functionality of a sewing machine? In a fun way, this book teaches the history behind inventions that have changed the way we live, from Ancient Mesopotamia to the present. Important details appear at the bottom of each page, including the name of the inventor, the time period, and the place where it occurred.

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,...

"Si amo a los seres con tanto ardor, es porque en cada uno de ellos amo una parte de ti, Dios mío" Etty Hillesum Han tenido que pasar muchos años para que el mundo descubriera el luminoso rostro de Etty Hillesum. ¿Quién habría creído, en vísperas de la Segunda Guerra mundial, que esta joven judía, locamente enamorada de la vida y aparentemente despreocupada, iba a dejarnos como herencia uno de los testimonios más profundos sobre la entrega de uno mismo y el amor a los seres y a Dios? Nacida en Holanda en 1914, Etty Hillesum es una joven libre, llena de ardor y de curiosidad, que se...