Mis primeras elecciones: sector público y sistemas de gobierno

Surveys the life of Nat Love, African American cowboy, renowned for his riding, roping, and sharpshooting.

Esta vez Lyna se enfrentará a una rival hecha exactamente a su imagen y semejanza, alguien que quiere acabar con ella. ¿Podrá con ella? Lyna está disfrutando muy tranquila de unos días en Tembleque, junto a su Meli, la abuela Rita y Dani, sin saber que un peligro la acecha. Desde un universo paralelo, llega al pueblo un extraño personaje que quiere ocupar su lugar y eliminarla para siempre. ¿Podrán descubrir el peligro a tiempo? ¿Lyna será capaz de derrotar a su rival o desaparecerá de este universo? Acompaña a tus personajes favoritos en esta intrigante aventura.

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...

This book looks at natural structures such as plants, animal bodies, mountains, caves, rock formations, and icebergs, the materials from which they are made, and their colors, shapes, and textures. It shows structures made by animals, such as beehives and bird nests. This wonderful book with amazing photos will encourage young readers to notice colors and shapes in nature and how they relate to the purpose of structures.