El ciclo del nitrógeno (The Nitrogen Cycle)

El asesinato de Federico García Lorca (1898-1936) fijó la imagen de "La casa de Bernarda Alba" como la obra máxima de toda una dramaturgia. Con este drama en el que unos personajes y un espacio se encadenan con suprema maestría a una pasión estéril ?el amor no conseguido- cuya liberación sacrificial es la muerte, el poeta granadino llegó, en efecto, a una cumbre similar a la alcanzada por las más grandes creaciones del teatro clásico y contemporáneo. Mario Hernández fija rigurosamente en la presente edición el texto de esta tragedia en la que la tiranía de unas normas sociales...

Find out what sets the human life cycle apart from other living things in this informative, Spanish-translated nonfiction title. With intriguing facts, informational text, and vibrant photographs, children will be introduced to the biological phases of our life cycle--from infancy to adulthood.

What does it take to build an amazing sandcastle? The answer is: more than you think! Take students on a fun exploration of the properties of sand and factors that influence sandcastle construction such as moisture and sunlight. Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual Smithsonian...

Describes the U.S. Air Force Thunderbirds, including their planes, the maneuvers at their air shows, and team member duties. Written in English and Spanish.