Sumando y Restando en el Club de Matematicas

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for the film Jurassic Park. Take a trip through dinosaur time to meet these deadly dinosaurs face-to-face: The Variraptor had pointy teeth with grooves like steak knives to saw through meat! The Draeomaeosaurus was the first raptor ever discovered. It had a very large brain! The Microraptor was ...

Desde mi piel, un mapa literario por las constelaciones de nuestro cuerpo. «Mis lunares y cicatrices me acompañarán siempre. No desaparecerán como desaparece la fiebre o el acné. No puedo teñirlas como quien se tiñe el pelo de colores. Y, lo más importante, no quiero taparlas ni disimularlas. Juguemos a hacer magia con las palabras. Cambia lunares y cicatrices por lo que quieras: michelines, estrías, verrugas, celulitis, kilos... No importa cuál sea tu complejo o tu dolor: Desde mi piel es mi historia, pero también la tuya.» La prueba de que la piel puede ser un mapa plagado de...

Discusses the role of the gases surrounding Earth and the relationship of the atmosphere to weather. Presented in English and Spanish.

A closer look at the stomach and how it works with the digestive system to give the body the nutrients it needs to stay healthy.