Un asesino en el rectorado

Explores snakes and describes how they move, hunt, eat and mate. Includes fact boxes with information about snake life.

Esta Pequeña historia recorre la biografía del genial violoncelista Pablo Casals, desde su nacimiento en El Vendrell (Tarragona) hasta su exilio y muerte en Puerto Rico, pasando por sus mejores interpretaciones y su implicación en la defensa de los Derechos Humanos, incluyendo su célebre discurso en la sede de la ONU.

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

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!