John Muir

Esta excelente biografía del célebre químico francés está dirigida especialmente a los lectores jóvenes y presenta los logros más significativos de este importante científico. Él realizó investigaciones decisivas sobre la fermentación y las bacterias, sostuvo que los gérmenes eran los responsables de las infecciones y desarrolló el proceso de la pasteurización, de enorme importancia para la economía y la salud pública. Además, descubrió las vacunas contra el ántrax y la rabia. También fue el primer director del Instituto Pasteur, fundado en 1888 para investigar los virus y ...

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Two plays by Juan Mayorga that exemplify the author's philosophical drama. Hamelin is set in an unnamed, corrupt city where the powerful and rich prey on the poor. Will a Pied Piper save the city's children from the "rats" that plague it? La tortuga de Darwin tells the story of Harriet, the tortoise that Charles Darwin brought back to England from the Galapagos. Since her voyage, Harriet has evolved into a turtle-woman, able to think, speak, and bear witness to the terrible events of the past two centuries.

Head lice, the worm, the bat, the rat.. Learn about these, often considered, disgusting creatures in this hilarious illustrated nonfiction series by award winning author and illustrator, Elise Gravel! En la colección Animalejos encontraremos a animales de los que no se suele hablar. Algunos dicen que son feos y otros que son desagradables. El piojo, el gusano, el murciélago, la rata... ¡Todos los detalles que siempre quisiste saber sobre estos animales contados con mucho humor por la autora e ilustradora mundialmente reconocida, Elise Gravel!

We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that mechanics work on vehicles, including cars, boats, and buses. They use special tools to take them apart and fix what's wrong, and they use their experience and technology to diagnose problems. They often work long hours, sometimes in bad weather, to get us where we need to go. Your readers will see that mechanics keep our world moving and growing.

Un libro pop-up con solapas de la reconocida ilustradora Ingela P. Arrhenius, que propone a los más pequeños una introducción nada convencional a los colores, las formas, los números, los contrarios y el cuerpo. This is another fun pop-up from beloved illustrator Ingela P. Arrhenius. She offers kids a chance to dive right into colors, shapes, numbers, opposites, and the human body. Your child will enjoy learning with this hands-on approach.