Matemáticas en el cinturón de asteroides (Math in the Asteroid Belt)

¿Dónde puedes encontrar el color azul? ¿Tiene algún significado especial este color? Los jóvenes lectores aprenderán a identificar objetos azules y los lugares donde aparecen en Azul, uno de los libros de Los niños y la ciencia: Colores. Where can you find the color blue? Does this color have any special meanings? Young readers will learn to identify blue objects and the places they appear in Blue, a Science Kids: Colors book.

Mediante la técnica del flash-back el autor nos cuenta dos historias paralelas separadas por miles de años de diferencia pero con un punto en común: las pinturas rupestres de Altamira.

"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 Jurassic Park. Take a trip through dinosaur time to meet these pterosaurs face-to-face: The Quetzalcoatlus had wings that spanned the length of a school bus! The Dsungaripterus had a bony crest on its head! The Eudimorphodon had a diamond-shaped flap at the end of its long tail! Plus you'll ...

Una mariposa madre pone huevos. Los huevos se convierten en orugas. ¿Pero qué sucede después? Descúbrelo en esta observación paso a paso del ciclo de vida de la mariposa. A mother butterfly lays eggs. The eggs hatch into a caterpillar. But what happens next? Find out in this step-by-step look at the butterfly life cycle, now in Spanish.