Robótica e inteligencia artificial (Futuros Genios 5)

Before Texas was part of the United States, it was a nation of its own. After gaining independence from Mexico in 1836, Texas declared itself a republic. Interesting features, including a timeline and a map, guide readers through this conflict-filled period of Texas history.

The United States grew rapidly from the time of the Louisiana Purchase to the building of the Transcontinental Railroad. All of this expansion came at the expense of Native American populations that had either lived in the region for centuries or been forced there from ancestral homes in the East. Tribes memorably fought on their own and together in an doomed effort to retain the land and a lifestyle that had long sustained their families. This book outlines some of the major conflicts of the Westward Expansion, and of the treaties and were signed, and often broken, by representatives of the...

Find out the truth about our bodies and learn exactly what makes us human in this fascinating, Spanish-translated nonfiction title! Featuring detailed, vibrant images, diagrams, and charts that familiarize readers with digestion, the circulatory system, and bacteria in conjunction with biological and anatomical vocabulary, readers will learn all about gross anatomy, some of the amazing things our bodies can do, and how it performs day-to-day activities--from digesting to pumping blood.

La oveja es un animal herbívoro porque se alimenta de hierba. Es vertebrado, es decir, tiene huesos. Es mamífero y como tal, nace del vientre de la madre y de recién nacido se alimenta de la leche de sus mamas. Tiene cuatro patas y un rabo. Su cuerpo está cubierto de lana que durante el verano se corta y a eso se le llama esquilar. La lana se utiliza para hacer prendas de vestir. De la oveja también aprovechamos la carne para alimentarnos. Un conjunto de ovejas se llama rebaño, su voz se llama balar y su casa redil. El macho es el carnero y las crías son los corderos. Este título...