El ferrocarril transcontinental (The Transcontinental Railroad)

Dado el lugar preponderante que ha ido ganando el desarrollo y fortalecimiento de competencias en los estudiantes que se preparan como futuros profesionales, así como la manera de evidenciar el avance de dichas competencias, la evaluación de los aprendizajes en la educación superior constituye un tema que reviste cada vez mayor relevancia. En este sentido, las nuevas tendencias y teorías sobre evaluación de los aprendizajes, abordan el rol central que esta tiene, como elemento constitutivo fundamental para la mejora de los procesos de enseñanza y aprendizaje, resignificando importantes...

The plot of The Empty Region takes the reader from the military camps of holy warriors in Pakistan, to the security corridors of the CIA and the FBI. It’s a fascinating puzzle inhabited by historical characters, including Osama bin Laden and George W. Bush, as well as officials aware of the tragedy´s secrets. Szichman leads us along the terminals where the air pirates of al-Qaida consummated their tragic ritual, makes us travel on the airplanes, turned into guided missiles, and recreates the 102 minutes when the burning towers of the World Trade Center became hell on earth. Although...

"This oversized book introduces children to the alarming number of species that are endangered, threatened or, unfortunately, extinct. It includes amphibians, birds, mammals, reptiles, and fish, devoting an entire page to each animal. Readers will learn the threats facing each one, where each one lives or lived, including the type of habitat, its diet, size, and ongoing conservation efforts."

Describes how the rig was built, how it stands out in the water, and how much drilling it does in a day.