Harriet Tubman

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.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Do you have something to celebrate? You can celebrate by making papel picado! Featuring vibrant step-by-step photo instructions, this Spanish-translated, nonfiction book helps introduce children to another culture through craft-making and designs.

En esta guía recorremos las posibilidades que nos ofrece el abanico de servicios y aplicaciones Google. Revisamos sus características y funcionamiento así como también los mejores trucos y secretos para aprovechar estas herramientas al máximo. Desde el omnipresente Chrome y nuestras cotidianas búsquedas, hasta los servicios más avanzados como Analytics y Trends, todas las aplicaciones pueden ofrecernos más ¡si las investigamos y aprendemos más sobre ellas!