Como hacemos musica

A young boy travels to China to learn about the people and culture of one of the world's most powerful nations.

La colección ESTRATEGIAS DE SUPERVIVENCIA recoge todas aquellas tretas, señuelos y actividades que desarrollan los animales y las plantas tanto para defenderse como para atacar, para sobrevivir en medios hostiles, para reproducirse con éxito entre los dep

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...

¿Crees que los fantasmas existen? ¡Viaja al este de Estados Unidos y deci ́delo tu ́! Recorre el campo de batalla de Gettysburg, visita la histo ́rica Casa Blanca y pase ́ate por la casa de Lizzie Borden. ¡Te espera una aventura espeluznante!