Desafíos matemáticos

Discusses the role of the gases surrounding Earth and the relationship of the atmosphere to weather. Presented in English and Spanish.

Ángeles Caso rastrea la vida de todas esas mujeres excepcionales que precedieron a las creadoras del mundo actual y que sufrieron la hostilidad hacia la cultura femenina. Mujeres como Hildegarda de Bingen, consejera de papas y emperadores, o Aphra Behn, dramaturga y espía en la Inglaterra de la Restauración, pueblan estas páginas para reivindicar una vez más su lugar en la Historia.

A Rube Goldberg machine is designed to perform a simple task through a series of elaborate steps. These simple machines are named after Reuben “Rube” Goldberg, an American cartoonist, engineer, and inventor. Learn how these fun machines work and ignite a curiosity about STEAM topics! Created in collaboration with the Smithsonian Institution, this informational text features a hands-on STEAM challenge that is perfect for makerspaces. Make STEAM career connections with career advice from Smithsonian employees working in STEAM fields. Perfect for school reports and projects, this Spanish book...

A car accident left Elsa in a coma. One day Thibault enters the room and starts talking to her without waiting for an answer. Everyone is convinced that she is unconscious, but she's begun to hear and understand what is happening around her. As everybody have given up hope for recovery, Thibault is engaging a relationship with her.