Universo Hawking

Ésta es la historia de Abul Qasim, el médico del califa Abderrahmán III. Abul operaba cataratas, hernias y bocios; hacía traqueotomías, trepanaciones, amputaciones y, incluso, intervenía cólicos misereres.

Hace veinte años, la represión provocada por la dictadura argentina hizo "desaparecer" a 30.000 personas. Hoy se sigue buscando esa memoria a través de los vivos que no olvidan a los que perdieron entonces. La historia de Estela es una más. Tan real que está sucediendo ahora mismo en muchas partes.

Describes the U.S. Navy's Blue Angels, including their planes, the formation and maneuvers of their air shows, and team member duties. Written in English and Spanish.

Take a virtual tour of the National Museum of Natural History with this high-interest STEAM book! Along the way, learn about the challenges that museums face when designing fossil exhibits. You’ll also learn how studying fossils helps scientists learn about prehistoric species such as dinosaurs and their habitats. Created in collaboration with the Smithsonian Institution, this Spanish 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...