Experimentos sencillos sobre el espacio y el vuelo

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

En este número se analizan los significados e intereses sobre la celebración de los 500 años del descubrimiento de América, desde los dinamismos, mentalidades, estructuras y posiciones institucionales que siguen vigentes. (ITESO), (ITESO, Universidad)

Teaches Young Readers About Shapes And Patterns Using The Seasons Of The Year And Pictures Of Nature.

Lakshmi se ha separado de su familia y camina hacia la ciudad. Aún desconoce que allí no trabajará de criada en una casa rica para enviar dinero a su familia. Aún desconoce que tendrá que hacer cosas horribles con hombres horribles para poder sobrevivir. Lakshmi imagina leche y azúcar para su familia. Aún desconoce que las cosas no son siempre como se imaginan.