Cada dólar marca la diferencia

Did you know that swimming pools are used to train astronauts? Athletes use swimming pools to train when they're injured, and doctors use them to help patients feel better. Learn how swimming pools and aquatic therapy help all kinds of people! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person ...

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...

Discusses the various features of Australia, including its climate, mountains, rivers, lakes, animals, vegetation, coral reefs, flightless birds, population, and cities, and history of the Aborigines.

Este libro ilustrado para niños contiene juegos con dados, cartas, matemáticas y otras cosas para revelar los poderes mentales que poseen los lectores.

Este libro es biográfico. Relata pormenores de la vida de Oscar de la Hoya, un excelente deportista México-americano, nacido el 4 de Febrero de 1973 en el este de Los Ángeles, California, Estados Unidos de América. El autor ha querido aquí testimoniar su reconocimiento y admiración por un hombre que aún joven conquistó la cúspide de su carrera como boxeador. Oscar se nos presenta como un joven modesto y sencillo que hace honor a sus raíces culturales; por lo que prefirió nacionalizarse mexicano, respetando su vínculo familiar con ese país. Aparece como un destacado pugilista. Y...