Sexo para adolescentes

Una recopilación de las mejores canciones para jugar, rondas y rimas de sorteo, para llenar el recreo.

Before there was the U.S. Constitution, there were the Articles of Confederation. Readers discover the story behind the first written constitution of the United States—from the factors that inspired its creation to the reasons why it was replaced. The detailed main text is enhanced by informative sidebars and graphic organizers. Historical images, including relevant primary sources, allow readers to immerse themselves in this historical period. Readers are given the chance to thoroughly examine elements of the original document, making them feel like true historians. They’re sure to enjoy ...

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...

Mediante la confluencia de poesía, pensamiento y narrativa, el texto de Rafael Argullol representa una aventura a través de la memoria a la búsqueda del propio mito, de las brechas en el tiempo por las que se libera la profundidad de la vida.