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19 hours ago · Human evolutionary genetics studies how human genomes differ among individuals, the evolutionary past that gave rise to them, and their current effects. Differences between genomes have anthropological, medical and forensic implications and applications. Genetic data can provide important insight into human evolution.
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19 hours ago · Human historyHuman Era. In the history of the Americas, the pre-Columbian era spans from the original peopling of the Americas in the Upper Paleolithic to European colonization, which began with Christopher Columbus 's voyage of 1492. Usually, the era covers the history of Indigenous cultures until significant influence by Europeans.
19 hours ago · Human historyand prehistory. Reconstruction of a Neolithic farmstead, Irish National Heritage Park. The Neolithic saw the invention of agriculture. The Neolithic or New Stone Age (from Greek νέος néos 'new' and λίθος líthos 'stone') is an archaeological period, the final division of the Stone Age in Europe, Asia and Africa.
19 hours ago · This was the most advanced number system in the world at the time, apparently in use several centuries before the common era and well before the development of the Indian numeral system. Rod numerals allowed the representation of numbers as large as desired and allowed calculations to be carried out on the suan pan, or Chinese abacus.
19 hours ago · Democracy (from Ancient Greek: δημοκρατία, romanized : dēmokratía, dēmos 'people' and kratos 'rule') [1] is a system of government in which state power is vested in the people or the general population of a state. [2] Under a minimalist definition of democracy, rulers are elected through competitive elections while more expansive ...
19 hours ago · North America is the fourth most populous continent after Asia, Africa, and Europe. [127] Its most populous country is the U.S. with 329.7 million persons. The second-largest country is Mexico with a population of 112.3 million. [128] Canada is the third-most-populous country with 37.0 million. [129]
19 hours ago · Ohio ( / oʊˈhaɪ.oʊ / ⓘ oh-HY-oh) [13] is a state in the Midwestern region of the United States. Ohio borders Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest, Indiana to the west, and Michigan to the northwest. Of the 50 U.S. states, it is the 34th-largest by area.
