El Preso 198

David Roberts, nacido en Denver (Colorado) y graduado en al Universidad de Harvard, es autor de siete libros, entre los que destacan The Mountain of My Fear y Jean Stafford. A Biography. Es colaborador habitual de las revistas Men ́s Journal, Outside, American Photo, Smithsonian, Atlantic y National Geographic, entre otras publicaciones.

The ancient Maya used mainly stone tools, made of either ground stone and chipped stone, to achieve their extraordinary development. This book presents the techno-typological analysis of lithic materials from La Blanca, located in the heart of the Southern Lowlands, which was mainly inhabited during the Late Classic and Terminal Classic periods.

La aventura de la ciencia convertida en literatura. Un libro inclasificable y poderosamente seductor. Las narraciones incluidas en este libro singular y fascinante tienen un hilo conductor que las entrelaza: la ciencia, con sus búsquedas, tentativas, experimentos e hipótesis, y los cambios que –para bien y para mal– introduce en el mundo y en nuestra visión de él. Por estas páginas desfilan descubrimientos reales que forman una larga cadena perturbadora: el primer pigmento sintético moderno, el azul de Prusia, creado en el siglo XVIII gracias a un alquimista que buscaba el Elixir de ...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...