Un día de trabajo de un astrónomo (A Day at Work with an Astronomer)

Without dentists, we wouldn’t know how to take care of our teeth! Readers will enjoy following this story’s narrator as they go for a check-up and cleaning at the dentist. The narrator learns how to brush and floss to keep their teeth healthy and clean. This book pairs a fun story with colorful illustrations to keep young readers and listeners engaged in the story.

Esta obra es una antología que reúne catorce relatos con distintos protagonistas y situaciones y un tema común: la postración moral, la humillación, el acomodo a difíciles supervivencias, de gentes modestas para quienes la guerra civil española fue su herida central y su cicatriz decisiva. Los relatos van precedidos de un prólogo de Camilo José Cela, incorporado en la edición de 1977, y de un prólogo actual a cargo de José María Merino.

Rainforests play an important role in the health of the world. Plants, animals, and people all depend on rainforests for many reasons. A tropical rainforest is filled with wonder and mystery, from the tallest trees in the canopy to the darkest and wettest leaves on the forest floor. The animals that inhabit this biome are varied and exotic. What readers may not realize is that not all rainforests mark the areas around the equator. Temperate rainforests, with milder climates, extend toward the poles. Readers learn the similarities and differences between these two biomes.

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...

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.