Energía por dondequiera

Most young astronomers know that Earth is located in the Milky Way galaxy, but they might not know what that means or what lies beyond. Understanding our galaxy and others will help them comprehend more about how the universe works. Your readers will discover many amazing and memorable facts about galaxies, including their differing shapes, numbers of stars, and constant movement. They'll especially love the mind-boggling images of the depths of space.

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...

These biographies introduce young readers to important figures in American history. Ideal for reports and correlated to the social studies curriculum, the series presents a straightforward account of each individual's life and times and describes how each person contributed to the shaping of our nation.

La ambición, el afán de poder y el deseo de dominio de unos pocos pueden provocar la falta de entendimiento entre los pueblos y, con ello, desencadenar guerras. Fernando Almena, uno de nuestros más prestigiosos y representados autores de teatro juvenil, ofrece con su soltura, amenidad y humor, más que una obra pacifista, una crítica al trasfondo de las injustas situaciones que originan el enfrentamiento entre los pueblos.