Un camarada soviético ha apuñalado a otro camarada soviético

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

La psicología posee una corta historia como ciencia experimental en nuestro país. No obstante, si consideramos las aportaciones de Ramón y Cajal, Fernández de la Hoz, Mira y López, Ortega, Simarro, Germain, Yela, Siguán, Pinillos, etc., o de figuras precursoras como Juan Huarte de San Juan, nos encontramos ante una larga trayectoria. La psicología española ha crecido lo suficiente como para preocuparse por su propia historia y, puesto que posee características propias, por afianzar la existencia de una psicología que no sea una importación de América del Norte. Este texto...

Breve historia de la carrera espacial es un repaso histórico de la astronáutica y de los múltiples esfuerzos del ser humano por conocer qué hay más allá de la Tierra. Desde la observación de los astros y el posterior estudio de las leyes físicas que rigen el Universo, hasta las exploraciones espaciales recientes. El libro repasa continuamente los aportes científicos de Tsiolkovski, Oberth, Goddard, Einstein, Hohmann e incluso describe cómo este último encontró un camino sencillo para viajar a otros planetas antes de que se inventase la nave espacial. Aparte de estos conceptos, el...