Maytalia y el planeta Tierra

En lo que alguna vez fue un parque, un niño y una niña compiten por ver quién se queda con el pasamanos. Tímidos son los acercamientos del niño; seguros, los de la niña. Ambos están ahí porque es mejor que estar en sus casas. Sin embargo, es la niña quien tiene más necesidad de evasión y de atención, y quien más ha desarrollado todo su juego. El parque es Marte, el pasamanos es la nave y ella es la reina. Hasta el niño, y el lector con él, terminarán entrando en la fantasía.

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...

This book introduces you to hippopotamuses, including their size, diet and everyday behavior, which highlights differences between those in the wild and those living in a zoo habitat.

Take a fascinating trip into the depths of Carlsbad Caverns and learn arithmetic patterns along the way. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn arithmetic patterns while engaged in reading about the various patterns that can be found in the miles of caves in Carlsbad Caverns National Park. The full-color images, math graphs and charts, and practice problems make learning math and language arts concepts easy and fun. The table of contents, glossary, and...