The Columbian Exposition
نویسندگان
چکیده
منابع مشابه
The Pre-columbian Economy
Introduction Latin America constitutes a large and geographically diverse region of the New World. Physiographically it is characterized by a high precipitous mountain range, the Sierra Madres in Central America and the Andes in South America with a narrow Pacific coastal plain. Broad welldrained low-lying basins are found on the eastern slopes of these mountains that run into the Atlantic and ...
متن کاملPre-Columbian monkey tools
Stone tools reveal worldwide innovations in human behaviour over the past three million years [1]. However, the only archaeological report of pre-modern non-human animal tool use comes from three Western chimpanzee (Pan troglodytes verus) sites in Côte d'Ivoire, aged between 4.3 and 1.3 thousand years ago (kya) [2]. This anthropocentrism limits our comparative insight into the emergence and dev...
متن کاملPre-Columbian Roads of the Amazon
an efficient means of transportation and communication. Societies need to move goods, people, and information throughout the regions they control. Roads also have powerful social, political, and sacred functions. Formal roads are major transformations of the environment. Their patterns on the landscape provide information about the organization of settlements, social interaction, land tenure, r...
متن کاملAfrican rice in the Columbian exchange.
Most studies of the Columbian Exchange have not appreciated the significance of Africans in establishing plant domesticates in the Americas. African plants traversed the Atlantic as provisions aboard slave ships and slaves proved instrumental in their establishment in the New World as preferred food staples. This paper identifies the diverse crops domesticated in Africa, the intercontinental pl...
متن کاملRandomness Extractors – An Exposition
Randomness is crucial to computer science, both in theory and applications. In complexity theory, randomness augments computers to offer more powerful models. In cryptography, randomness is essential for seed generation, where the computational model used is generally probabilistic. However, ideal randomness, which is usually assumed to be available in computer science theory and applications, ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Scientific American
سال: 1893
ISSN: 0036-8733
DOI: 10.1038/scientificamerican07081893-14599bsupp