José Bautista

En las últimas décadas, los estudios del lenguaje humano y la interpretación han experimentado un importante giro desde posiciones tradicionales (que atribuían un excesivo valor al código lingüistico en detrimento de la práctica cotidiana del lenguaje) hacia el paradigma de la pragmática y la creciente importancia que esta perspectiva lingüística otorga a las diferentes variedades de información contextual en el desarrollo y la calidad de los intercambios conversacionales. Lejos de ser una simple descodificación pasiva de los mensajes que los oyentes reciben de sus interlocutores, ...

Sitting Bull first went to battle at the age of 14. He grew to be widely respected for his bravery and insight, and became chief of the Lakota nation in his thirties. By the time he met General Custer at the Battle of Little Big Horn, his courage was legendary. Though he soundly defeated Custer, public outrage at the defeat brought thousands of cavalrymen to the area, where it took four more years before the brave chief would surrender. He was forced onto a reservation where he was later killed when police attempted to arrest him.

El texto es sencillo y fotos a todo color instruir a los lectores cómo construir un cohete con gas y explica la ciencia detrás de la actividad.

Explains what mathematics is and how it feels to do math, and shows some basic mathematical concepts such as sorting and measuring.