Vivas nos queremos

P. is a professional philosopher whose Parliamentary seat allows him to observe real-life politics after having spent so much of his life studying its theory, but he soon realizes that the realpolitik hardly corresponds to his preconceived notions of politics. His only ally in negotiating this disheartening conundrum is his alter ego, the ghost, with whom he spends the duration of this book discussing the tensions and maladjustments brought about by this contrast. P. es un filósofo de profesión cuya obtención de un escaño en el Parlamento le permite observar en persona cómo es en la...

This book looks at natural structures such as plants, animal bodies, mountains, caves, rock formations, and icebergs, the materials from which they are made, and their colors, shapes, and textures. It shows structures made by animals, such as beehives and bird nests. This wonderful book with amazing photos will encourage young readers to notice colors and shapes in nature and how they relate to the purpose of structures.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

Esta obra reúne textos escritos por Andrés Lira sobre el exilio español y los maestros de ese exilio, como: José Medina Echavarría, José Miranda, Ramón Iglesia, Juan Antonio Ortega y Medina, Eugenio Ímaz y José Gaos, quienes han formado parte tanto de la Universidad Nacional Autónoma de México como de El Colegio de México.