"Describes the life and times of ancient Greece. The readers' choices reveal the historical details of life from the perspectives of a resident of Athens and a resident of Sparta"--Provided by publisher.

¿Cómo podemos protegernos de las guerras nucleares, los cataclismos ecológicos o las tecnologías disruptivas? ¿Qué podemos hacer contra la propagación de la posverdad o la amenaza del terrorismo? ¿Qué debemos enseñar a nuestros hijos? Con la misma prosa inteligente, fresca y provocadora, Harari vuelve a librerías con un nuevo título, 21 lecciones para el siglo XXI, en el que examina algunas de las cuestiones más urgentes de nuestro presente....

During the 20th century, humankind has managed to do the impossible: we have brought famine, plague and war under control. Today, more people die from obesity than from starvation; more people die from old age than from infectious diseases; and more people commit suicide than are killed in war. We are the only species in earth's long history that has single-handedly changed the entire planet, and we no longer expect any higher being to shape our destinies...