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Arriving in Australia
Modern humans set out to reach new continents and around 45,000 years ago by land and by sea. Here, they arrive in Australia on a raft.
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Baobab Tree
Hollowed Baobab tree trunks are traditionally used as places where Hadzabe give birth.
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Bow and arrow
Hadzabe man with bow and arrow. The Hadzabe, who live about 15-hundred miles north of the San near Tanzania's Serengeti, are the first branch in the human family tree.
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End of Ramadan
Men pray together to culminate the end of Ramadan.
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Finding shelter
Human populations in the mountains of central Asia retreated to their mountain base during harsh periods of cold, stitching together clothing and building shelters.
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Hadzabe Chief
Hadzabe Chief, Julius Indayo, explains the Hadzabe's ancient survival techniques to Dr. Spencer Wells, hoping to preserve them for future generations.
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Lost in the Sahara
A local guide signals to a lost vehicle in the Sahara Desert.
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Men in Chad
In the north of Chad, men congratulate each other after breaking the month-long Ramadan fast.
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San man
San man in Green Kalahari. The San Bushmen of Southern Africa are universally accepted as the world's oldest genetically distinct population of humans, whose DNA markers connect them to Scientific Eve.
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San matriarch
Pictured here is one of two San matriarchs who teach the village children the basics of the click-based khoisan language.
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San matriarch
San matriarch whose DNA was tested as part of the Genographic Project. The San bushmen of southern Africa are universally accepted as the world's oldest genetically distinct population of humans.
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San patriarch
San patriarch living in Green Kalahari whose DNA was tested as part of the Genographic Project.
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Scientific Adam
"Scientific Adam," who lived in africa 60,000 years ago. His is the only Y chromosome that has survived through the ages and every man alive today has a copy.
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Scientific Eve
"Scientific Eve," who lived somewhere between Eastern or Southern Africa 150-200,000 years ago, is the oldest root of our female genetic family tree.
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Spencer Wells in Gouro
Spencer Wells watches as men from the town of Gouro pray to commemorate the end of Ramadan.
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Spencer with Hadzabe Chief
Geneticist Spencer Wells works with Hadzabe Chief, Julius Indayo, to record the Hadzabe's ancient survival strategies in order to preserve them for future generations.
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The Aeta
The Aeta, an indigenous group of small-statured, curly haired, dark-skinned people who number only about 20,000, reveal details about where people went — and stayed — during early human migration.
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Women in Khorog
Two Women in Khorog, Tajikistan.
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