Pickles + Ocho

Nosotros, el pueblo de Who HQ, traemos a los lectores la historia completa (argumentos y todo) de cómo surgió la Constitución de los Estados Unidos. We the people at Who HQ bring readers the full story--arguments and all--of how the United States Constitution came into being in this Spanish entry in the WHO HQ series. Firmada el 17 de septiembre de 1787, cuatro años después de la Guerra de la Independencia, la Constitución estableció la ley suprema de los Estados Unidos de América. Hoy es fácil que demos por sentado este proyecto de gobierno. Pero los legisladores (cincuenta y cinco...

This complete Spanish translation of the highly acclaimed Isaac Asimov's 21st Century Library of the Universe is ideal for students still developing their English-language skills.

Simple text and photographs show how common shapes can be put together to create new and different ones.

Born in Warsaw, Poland, on November 7, 1867, Marie Curie was forbidden to attend the male-only University of Warsaw, so she enrolled at the Sorbonne in Paris to study physics and mathematics. There she met a professor named Pierre Curie, and the two soon married, forming one of the most famous scientific partnerships in history. Together they discovered two elements and won a Nobel Prize in 1903. (Later Marie won another Nobel award for chemistry in 1911.) She died in Savoy, France, on July 4, 1934, a victim of many years of exposure to toxic radiation.