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SOY UNA HOJA es un libro de la serie ¡Hola, lector! que cuenta acerca de la vida de las hojas y sus funciones. A los chicos les encatará saber que cada una de las hojas del patio de su casa tiene una vida muy particular. El texto es sencillo y fácil de leer.

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

Learn how scientists channel energy from the sun to power awesome innovations! 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 1st grade students’ early literacy skills.

Desde tiempo inmemorial, la narración y el viaje, como impulsos elementales del ser humano, han mantenido una estrecha relación. Ya en el momento mismo en que surge la escritura establecen un vínculo indisoluble. Muchos viajeros han querido contarnos sus impresiones, y muchos escritores han planteado sus obras en forma de viaje o recurriendo a éste como inspiración.