El final de todos los agostos

People have been sending mail for a long time. But how they do it has changed a lot! Read about the history of mail as you learn to collect data. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning data measurement easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section...

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...

Valentía de una voz indomable En un lenguaje coloquial, sin pretensiones, pero con la honestidad de quien abre su espíritu contestatario y vehemente en continua ebullición, Apolinar Beltrán Villazón nos presenta su primer libro de poesía, Raíces rojas, que busca abrirse espacio en las letras regionales desde su entorno cotidiano, desde su lucha permanente por lograr una expresión libre y de alto significado ético, que tiene la valentía de levantar su voz incorruptible e indomable, en medio de un territorio que, como él mismo lo señala en uno de sus textos, posee la doble...

Provides a simple introduction to the work that teachers do and other aspects of a teacher's life through full-color photographs and straightforward, engaging text. Original.