They spread throughout Africa over the following 50,000 years or so: around 100-80,000 years ago, three main lines of Homo sapiens diverged, bearers of mitochondrial haplogroup L1 / A colonizing Southern Africa (the ancestors of the Khoisan/Capoid peoples), bearers of haplogroup L2 / B settling Central and West Africa (the ancestors of Niger-Congo and Nilo-Saharan speaking peoples), while the bearers of haplogroup L3 remained in East Africa.

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A member of the genus Homo, family Hominidae, order Primates, class Mammalia, characterized by erect posture and an opposable thumb, especially a member of the only extant species, Homo sapiens, distinguished by a highly developed brain, the capacity for abstract reasoning, and the ability to communicate by means of organized speech and record information in a variety of symbolic systems.

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Zoology A member of the genusHomo, family Hominidae, order Primates, class Mammalia, characterized by erect posture and an opposable thumb, especially a member of the only extant species, Homo sapiens, distinguished by a highly developed brain, the capacity for abstract reasoning, and the ability to communicate by means of organized speech and record information in a variety of symbolic systems.

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Zoology A member of the genus Homo, family Hominidae, order Primates, class Mammalia, characterized by erect posture and an opposable thumb, especially a member of the only extant species, Homo sapiens, distinguished by a highly developed brain, the capacity for abstract reasoning, and the ability to communicate by means of organized speech and record information in a variety of symbolic systems.

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These sea squirts, though alien in appearance, are chordates and thus close relatives to not only Homo sapiens but also about 17,000 kinds of fish; 70 or so species of dolphins, whales, seals, sea lions and otters; some 10 kinds of sea turtles; and about 80 kinds of sea snakes.

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They sent to us--for the favoring hand of our God was upon us--a well-instructed man, one of the sons of Mahli, son of Levi, son of Israel, namely Sherebiah, with his sons and brethren, eighteen men.

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Following a trail of clues from the latest scientific research, Dr Alice Roberts re-traces the greatest ever journey taken by our ancestors. Thousands of years ago one small group of our species, Homo sapiens, crossed out of Africa and into the unknown. Their descendants faced baking deserts, sweat-soaked jungles and frozen wildernesses and risked everything on the vast empty ocean.

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