Pequeña introducción a la filosofía

¿Qué ocurre cuándo la superstición y la fantasía se cruzan con la crueldad? Descubre los casos más espeluznantes de la historia del true crime. Creer que los monstruos existen solo en el folklore nos da cierta tranquilidad. Sin embargo, la historia está llena de criaturas más crueles que los de las propias leyendas. Hombres y mujeres de carne y hueso que, creyéndose brujas, vampiros u hombres lobo, perpetraron crímenes que estremecieron a la humanidad. Entre las filas de asesinos más despiadados del mundo, se encuentran monstruos tan reales como la vampira Elizabeth Bathory, que...

Terremotos y tsunamis is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

What is matter and where can it be found? Everything in the world is made of matter, whether it is a solid, a liquid, or a gas. Important ideas about matter such as volume, mass, and how matter changes state are conveyed through a series of easy-to-do experiments.

When it's hot outside, what can you do to stay cool? People have found many ways to cool off and cool down. How cool is that? 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 employees working in STEAM fields. Perfect for English language learners, this Spanish book builds young ...