Florence Nightingale

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Solar Energy Is Explained. Included In This Book Is Where It Comes From, Who Uses It, And The Positive And Negative Benefits Of Using It. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards.

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

With simple examples that are easy to relate to, this basic review of some of the building blocks of economics will help readers easily grasp the concepts. With language that is conversational without being too casual, readers are engaged throughout as they learn about not only these basic concepts but how they fit into the whole economic scheme of things, such as where goods come from. Readers will learn about the three factors of production, as well as what happens when resources are lacking and how that influences the entire economy.

Describes what early planes and air travel were like, how planes were developed to travel faster, and presents some pioneers of aviation.

«Ni en vida de Pessoa ni póstumamente ha aparecido un volumen con el título de El regreso de los dioses, a pesar de que el poeta acariciase la idea de publicarlo desde el otoño de 1917», explica Ángel Crespo, responsable de la edición y la traducción del presente libro. Nos hallamos, pues, ante un acontecimiento de singular importancia: la reconstrucción, en la medida de lo posible, de un libro proyectado por Pessoa, esencial en su trayectoria, y disperso hasta hoy en materiales sueltos. El neopaganismo, el sensacionismo, el sebastianismo son algunos de los principales puntos de...

One of the most popular narrators of his time, Arthur Conan Doyle, was a visionary man with attitudes which were far ahead of his time. In this book we will know in depth his biography, his work, beyond the creation of the illustrious Sherlock Holmes, and his spiritualistic inquisitiveness.