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According to Y-DNA analysis by Hassan et al. (2008), 45% of Copts in Sudan (of a sample of 33) carry haplogroup J1. Next most common was E1b1b , the most common haplogroup in North Africa . Both paternal lineages are common among other regional Afroasiatic -speaking populations, such as Beja , Ethiopians , and Sudanese Arabs , as well as non ...
The technological singularity—or simply the singularity [1] —is a hypothetical future point in time at which technological growth becomes uncontrollable and irreversible, resulting in unforeseeable consequences for human civilization.
[24] [25] Though fossils from the transition are scarce, the earliest members of Homo share several key traits with Australopithecus. [ 26 ] [ 27 ] The earliest record of Homo is the 2.8 million-year-old specimen LD 350-1 from Ethiopia , and the earliest named species are Homo habilis and Homo rudolfensis which evolved by 2.3 million years ago ...
Corrosion is a natural process that converts a refined metal into a more chemically stable oxide.It is the gradual deterioration of materials (usually a metal) by chemical or electrochemical reaction with their environment.
The Acts of Union 1707 declared that the Kingdom of England and Kingdom of Scotland were "United into One Kingdom by the Name of Great Britain". [p] [22] The term "United Kingdom" has occasionally been used as a description for the former Kingdom of Great Britain, although its official name from 1707 to 1800 was simply "Great Britain". [23]
Matrilineal DNA MtDNA of Han Chinese increases in diversity as one looks from northern to southern China, which suggests that the influx of male Han Chinese migrants intermarried with the local female non-Han aborigines after arriving in what is now modern-day Fujian, Guangdong, Guangxi, Hainan and other regions of southern China.
Russia has nine major mountain ranges, and they are found along the southernmost regions, which share a significant portion of the Caucasus Mountains (containing Mount Elbrus, which at 5,642 m (18,510 ft) is the highest peak in Russia and Europe); [9] the Altai and Sayan Mountains in Siberia; and in the East Siberian Mountains and the Kamchatka ...
Human migration is the movement of people from one place to another, [1] with intentions of settling, permanently or temporarily, at a new location (geographic region). The movement often occurs over long distances and from one country to another (external migration), but internal migration (within a single country) is the dominant form of human migration globally.