Experimentos sencillos sobre el espacio y el vuelo

This historical novel will fascinate young readers as they learn about Mayan customs and lifestyle. A glossary of Mayan terms and authentic drawings will help children understand this highly advanced culture. Text copyright 2004 Lectorum Publications, Inc.

From the water they drink to the trees they climb, kids are connected to the natural world in big and surprising ways. With simple, poetic text and exquisite artwork, this book does more than introduce kids to these connections. It sparks their imagination. It starts conversations, and it delights all ages. Combining the ideas of environmental author Elin Kelsey with the inventive three-dimensional dioramas of artist Soyeon Kim, this remarkable picture book reveals ties that are often sensed yet seldom explained. And in a world dominated by technology, never have these incredible connections...

San José El más santo de los santos De P. Ángel Peña O.A.R. Este es un libro sobre san José, el padre adoptivo de Jesús y esposo de María. El autor lo ha escrito con el propósito de dar a conocer su gran figura para que haya muchos que lo puedan amar más al conocerlo mejor. Su grandeza está por encima de la de todos los santos y ángeles. Después de María, es el santo más santo, el que más cerca ha estado de la divinidad. Él ha tocado con sus propias manos al Dios hecho carne y le ha podido decir de verdad: “Tú eres mi hijo”. Que san José te bendiga y, con su...

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...