Misión exploración

Photographs and easy-to-read text introduce the major food groups and explain the nutritional contributions of each.

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.

Este tomo de "Animales Salvajes" lo hemos dedicado a un grupo de aves que se distinguen de las demás por tener las patas y el pico muy largos. Son las aves zancudas, de las demás por tener las patas y el pico muy largos. Son las aves zancudas, de las que vas a conocer las especies más importantes (garzas, cigüeñas, pelícanos, espátulas, ibis, etc.), sus hábitats y sus costumbres. ¿Sabías que el ibis fue un animal sagrado del Antiguo Egipto?

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...