Moore follows the history of the disease from its first recorded appearance in Asia and Africa to Arabia and finally to Europe and America. he then provides a history of treatment, including three chapters on the discovery and reception of inoculation. Moore was an early advocate of vaccination, and this book is dedicated to Edward Jenner. In 1810 Moore was appointed director of the National Vaccine Establishment.

More than 200 million years ago, geological forces split apart the continents. Isolated from each other, the two halves of the world developed totally different suites of plants and animals. Columbus's voyages brought them back together--and marked the beginning of an extraordinary exchange of flora and fauna between Eurasia and the Americas.

A fascinating study of the important role of biology in European expansion, from 900 to 1900.

While Christopher Columbus's legacy may be controversial, the wave of global transformation that came after him is undeniable. After 1492, the world was irrevocably headed down a path where people, plants, animals, and even microbes, would never be the same. Readers will make insightful connections between Columbus's journey and the forces at play in their own world through project-based learning, featuring colorful photographs and special sidebars. With special care to better examine the Native American perspective, the narrative provides insight to the world that Columbus stumbled upon, not discovered.

This title examines the structure, scale and complexity of economic systems in the pre-Hispanic Americas, with a focus on the central highlands of Mexico, the Maya Lowlands and the central Andes.