Energía del viento (Wind Power)

Life Long Ago brings ancient civilizations to life and reinforces important early elementary social studies standards such as time, continuity, and change. Students will learn what daily life was like, how ancient peoples governed themselves, how they communicated, and how the influences of ancient cultures are still felt today.

Learn about the rich history of La Misión de San Antonio de Padua: how it started, the people who ran it, the indigenous population, and it’s legacy today.

For soccer fans, the unstoppable Cristiano Ronaldo has become a household name. What goes into the making of such a phenomenal player? What was he like when he was young and still learning? This book takes a close look at one of the greatest soccer players in the world right now. Young readers will love to learn about his jaw-dropping achievements and also learn about what shaped him into a record-breaking athlete. Ronaldo's story will inspire both the curious new soccer fans as well as those already bit by soccer mania.

Los chitas son los felinos africanos que más rápido están desapareciendo. El texto lírico comparte los sueños de un futuro brillante mientras la atractiva información en las barras laterales proporciona una gran cantidad de información de historia natural. Desde sus patas con tacos parecidos a los de los zapatos atléticos a sus caras marcadas con “lágrimas”, estos majestuosos felinos está muy adaptados a la vida en la sabana africana. Feroces predadores, corren detrás de sus presas a altas velocidades, ¡una carrera exhaustiva que los deja listos para dormir un rato!

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...