Lobachevski

The world is filled with curious objects made by plants, animals, and even by the Earth itself. Dive into this collection of more than 100 intriguing items from the natural world and discover the stories behind them. Learn how huge whales eat tiny animals from looking at their bristly teeth, why butterflies shine and glitter in the sunlight from seeing their minute wing scales, how plants transport water and food around from examining a delicate leaf skeleton, and what makes every snowflake unique from admiring their miniature, branching crystals of ice. Birds' eggs, a lump of coal, a glass...

Tells the story of the 1692 witchcraft trials in Salem, Massachusetts. Written in graphic-novel format.

La gestión del museo reúne una selección de estudios fundamentales sobre el tema, realizados por algunas de las principales autoridades en esta materia. A lo largo del libro se recoge el desarrollo de la gestión museística hasta la fecha, los problemas a los que han de enfrentarse estas instituciones y las áreas claves de desarrollo futuro en la práctica de la gestión y el márketing. Los artículos seleccionados abordan temas de gestión estratégica, como la formulación de políticas, la planificación y la evaluación de resultados, la gestión de recursos humanos, la gestión...

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 ...