Células (Cells)

Bright stars twinkle in the night sky. Have you looked up into the sky on a clear night and seen these tiny points of light? Did you know that there are many kinds of stars in space? Find out all about them in this Spanish-translated book.

"Campus Sur es un nuevo curso intensivo de español para universidades creado: •Para los que trabajan en el ámbito universitario y quieren un manual eficaz en ese contexto. •Para quienes buscan un enfoque panhispánico: los países de América Latina y España están ampliamente representados. •Para los profesores que quieren experimentar técnicas de clase invertida (flipped classroom). Las unidades permiten que los alumnos y las alumnas trabajen previamente de forma autónoma y luego, en el aula, de manera colaborativa. •Para los que buscan trabajar con documentos variados,...

Presents information about super jumbo jets, looking at the history and development of jets, discussing various aspects of design and construction, and exploring different types of jets, including the Concorde and the Airbus A380.

"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 sea giants face-to-face: The Archelon was similar to a turtle, but its shell was made of crossed rib bone covered in rubbery skin! The Mososaurs had huge pointy jaws and grew to be fifty feet long! The Ichthyosaurs looked a lot...