Cristobal Colon

The early nineteenth century in the United States was a study of contrasts. On the one hand, the Jazz Age brought cultural liberation, vivacity, and reckless consumption; on the other, the Great Depression brought poverty and desperation to millions. Explore these periods in American history through the eyes of the people who lived them.

Examines the apparent connection between birds and dinosaurs by comparing fossils, dinosaur bones, and modern birds.

Think there's just one fairy tale with an overworked girl and wicked stepsisters? Think again! Cultures all around the world have their own Cinderella stories. Visit Canada, China, Egypt, and France, and find out whose "glass slippers" are made of red silk, and whose "fairy godmother" is a fish. Fully translated Spanish text.

Para cambiar la mentalidad racista de su tiempo era necesario el liderazgo de una persona cuya decisión llegara a enfrentarse con valentía incluso a la posibilidad de morir por la tolerancia. Martin Luther King inculcó en su país y en el mundo entero la educación para la paz necesaria para aprender que la acción no violenta es el mejor camino para avanzar en los derechos humanos.