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2 days ago · 4th century: Simple suspension bridge, independently invented in Pre-Columbian South America, and the Hindu Kush range, of present-day Afghanistan and Pakistan.
3 days ago · Old age is the range of ages for people nearing and surpassing life expectancy. People of old age are also referred to as: old people, elderly, elders, seniors, senior citizens, or older adults. [1] Old age is not a definite biological stage: the chronological age denoted as "old age" varies culturally and historically. [2]
May 22, 2024 · By the early 21st century, international tourism had become one of the world’s most important economic activities, and its impact was becoming increasingly apparent from the Arctic to Antarctica. The history of tourism is therefore of great interest and importance.
May 10, 2024 · By the early 21st century more than half of the world’s population resided in urban centres. The little towns of ancient civilizations, both in the Old World and the New, were only possible because of improvements in agriculture and transportation. As farming became more productive, it produced a surplus of food.
- The Editors of Encyclopaedia Britannica
2 days ago · There is no generally accepted definition of Indigenous peoples, [a] [1] [2] [3] although in the 21st century the focus has been on self-identification, cultural difference from other groups in a state, a special relationship with their traditional territory, and an experience of subjugation and discrimination under a dominant cultural model.
May 6, 2024 · From the rise of social responsibility in the ’60s to the online world in the 21st century, business ethics have made some major changes over the years.
May 10, 2024 · Anthropology, ‘the science of humanity,’ which studies human beings in aspects ranging from the biology and evolutionary history of Homo sapiens to the features of society and culture that decisively distinguish humans from other animal species. Learn more about the history and branches of anthropology in this article.
