The American Republic to 1877, Spanish Student Edition

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...

Simple text and illustrations introduce children to number concepts and teach them how to identify numbers.

Todo lo que siempre quisiste saber sobre la vida amorosa de los animales. Todos los animales, desde las peludas arañas hasta los fornidos delfines, deben aprender a seducir. ¿Cuántas maneras hay para hacerlo? Tantas como hay especies animales. Algunas de sus tácticas son tan familiares como las de los humanos, otras tan extrañas que son difíciles de creer. En una sutil fusión entre álbum ilustrado y libro de divulgación, este volumen muestra el amplio mundo de la seducción animal, desmintiendo falsas creencias y arrojando luz sobre las distintas maneras en las que se expresa el amor ...

Paleontologists are scientists who study dinosaur bones. This book introduces their job from start to finish. The Descubrámoslo (Let’s Find Out) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.