Insectos

If we could take a trip to the center of the Earth, what would we find? In this amazing book readers can do just that with the help of a special ship that can handle the extreme heat and pressure deep beneath Earth’s crust. Digging through a few miles of the crust is just the start of the nearly 4,000-mile journey to Earth’s core. Readers might be surprised to find that not all of the trip is through solid rock, as the intense heat does strange and amazing things to the material that makes up our planet!

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.

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...

La Cátedra Alfonso Reyes del Tecnológico de Monterrey presenta este libro como un espacio de vanguardia orientado a la promoción y la reflexión sobre las Humanidades. Considera fundamental abordar el tema de la vigencia y los alcances del Humanismo renacentista y su relación con las llamadas Nuevas humanidades y los Nuevos humanismos. Así inicia este libro, celebra el XXII aniversario de la Cátedra con una mesa sobre el Humanismo en Reyes, en la que se reúnen a tres reconocidos reyistas: Liliana Weinberg, Coral Aguirre y Javier Garciadiego.