La tierra de las papas

En esta obra, el autor ha puesto gran empeño en aportar datos inéditos sobre la vida de Arthur Nicolaier, y ha tratado de rescatar, para los profesionales de la salud y para el público en general, la figura, casi desconocida, de este médico alemán, que, a los 22 años, pasó a la historia de la medicina por descubrir el agente productor del tétanos.

Rabbit burrows play an important part in the life of a rabbit. A burrow provides a place to live, a place to raise baby rabbits, and a place to stay safe from predators. This volume, which was written to support elementary science curricula, examines the role a burrow plays in the survival of a warren, and how that in turn helps rabbits contribute to ecosystems around the world. The text’s age-appropriate, science-rich content focuses on rabbit behavior and encourages readers to draw connections between what they learn in science class and what they see outside. This text is complemented by ...

Why do we need food to live? Find out in this informative title that explains the importance of food to all living things.

Your lungs make sure that you use air wisely. Learn how the air passes from the lungs to the bloodstream in this story about your amazing body.