Cómo podemos utilizar la palanca?

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 ...

Follows the Thirteen the Amendment that freed the slaves, end of the war, and the death of President Abraham Lincoln.

Young students will be enthralled with compelling portraits of famous figures who devoted their lives to improving the world. Includes historical photos and illustrations.

A magnificent graphic novel in which Alfonso Casas parks the irony and offers us all his tenderness. Often the past leaves loose ends, issues to solve, questions that pursue our future. This is what happens to the protagonist of this book, Dani. Just before getting married, under the pretext of a photographic project about the passage of time, he travels to the coastal town where he used to spend his summer during his childhood. A place that he has not stepped on for twenty years and that, as the story progresses, reveals the importance he acquired in his life, because there he discovered,...

An introduction to taipans, snakes from Australia and New Guinea, describes the three different kinds of taipan, physical characteristics, life cycle, habitat, and predatory behavior.

Explore the various islands that make up the Caribbean including the different plants and animals that inhabit this tropical paradise. Bright, dazzling photographs bring the Caribbean to life as readers are exposed to vocabulary related to the unique activities and customs of the Caribbean.

Learn all about the amazing things your muscular system and skeleton do and how to keep them healthy and strong! With vivid images and clear, informational text in conjunction with supportive diagrams, this Spanish-translated nonfiction title introduces readers to basic biological ideas and vocabulary.