Sótano

Cerca de 100 animales se esconden en cada una de las ilustraciones a doble pgina que contiene este libro. Las escenas representan la fauna y los distintos hbitats de la Tierra, desde el abrasador desierto del Shara hasta las glidas regiones rticas, los pantanos de Florida y la Gran Barrera de Coral australiana. Los animales del mundo es un libro para pasar muchas horas entretenidas. Adems, junto al dibujo de cada animal se incluyen datos y curiosidades presentados de forma clara y concisa.

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...

Describes different kinds of artists, the type of work they produce, the tools they use, and the skills and training they need to have.

The Underground Railroad was the massive effort by slaves and free people to secretly bring thousands of blacks to freedom in the North during the 19th century. This thought-provoking book will capture readers’ imaginations and fill them with awe for the brave “conductors” and “passengers” on the Railroad. They’ll learn about the many safe havens, called “depots,” that housed fugitives and the secret passages within them that hid slaves from their pursuers. Information about the American Civil War and the Fugitive Slave Act, biographies of figures vital to the Underground Railroad,...