Trayectoria de choque: Los asteroides y la Tierra (Collision Course: Asteroids and Earth)

Readers learn the basics of caring for common household pets, from physical features, to behavior, to diet. Also explored is how the animal's natural habitat differs from the habitat provided in the home.

Esta colección constituye un sistema ameno y accesible para familiarizar a los niños con la lectura de cuentos y para acercarlos al mundo de la comunicación. Cada cuento propone el conocimiento de un fonema, que podrá identificarse de forma auditiva (al escucharlo en la mayoría de las palabras del texto) y visual (al ver la grafía de la letra destacada en color). La colección incluye propuestas de juego que inciden en aspectos como la comprensión e interpretación del contenido del cuento, la discriminación de sonidos y palabras, la asociación de imágenes a palabras, la conexión...

Can you identify construction vehicles? Do you know what a harvester does in a wheat field? Discover the trucks and machines in this little book that will excite kids of all ages.

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...