The Real Eve (Part 3 of 7)

TYRONE72
15 Apr 201314:59

Summary

TLDRThe video script explores the genetic and archaeological evidence supporting the theory of a single exodus of modern humans from Africa around 80,000 years ago. It details the journey of our ancestors as they diversified into distinct populations across the globe, adapting to new environments. Key evidence includes the genetic lineage traced through mitochondrial DNA, the significant Toba eruption's impact, and the discovery of stone tools in Malaysia dated to 74,000 years ago. These findings collectively suggest that the ancestors of today's diverse populations may have been part of this early migration, with the Samang people of Malaysia potentially being direct descendants.

Takeaways

  • 🌏 A single genetic line suggests that all non-African populations share a common ancestry originating from a small group that migrated out of Africa.
  • 🧬 The mitochondrial DNA evidence supports the theory of a single 'Exodus' from Africa, indicating a significant event in human history.
  • đŸŒ± Over 80,000 years, this ancestral group diversified into distinct populations, adapting physically and culturally to various environments worldwide.
  • 🌊 The descendants of this group moved through the Middle East, Europe, and Southeast Asia, with some settling in the Malay Peninsula.
  • đŸžïž The orang Asli and specifically the Samang people of the Malay Peninsula might be genetic remnants of the early migrants from Africa.
  • 🔍 Stephen Oppenheimer's research aims to confirm the genetic lineage of these groups to the original 'Out of Africa' migration.
  • 🌋 The Toba eruption 74,000 years ago provides a significant time marker for understanding the migration patterns of early humans.
  • ⚒ Stone tools found in Kota Tampan, embedded in volcanic ash dated to 74,000 years ago, offer tangible evidence of modern humans' presence in Southeast Asia.
  • đŸ§Ș Genetic testing of the Samang group revealed unique genetic lines, potentially linking them to the first beachcombing migration from Africa.
  • 🌐 The combination of archaeological findings and genetic evidence supports the theory of an ancient migration route from Africa to Australia.

Q & A

  • What is the significance of the mitochondrial line in understanding human ancestry?

    -The mitochondrial line is crucial as it is shared by all non-African people and represents a single genetic line that traces back to a common ancestry, suggesting a single exodus from Africa.

  • What does Stephen Oppenheimer believe about the implications of a single exodus from Africa?

    -Oppenheimer believes the implications are enormous, indicating that various populations around the world, including Australians, New Guineans, Southeast Asians, Chinese, Native Americans, Europeans, and Indians, all descend from the same small group that diversified and adapted to different environments over the last eighty thousand years.

  • How did the descendants of the small group that left Africa adapt physically and culturally to their new environments?

    -They adapted physically and culturally by diversifying into completely different populations, changing their physical attributes such as skin color and stature, and developing new cultural practices to suit the environments they found and explored.

  • What role did climate change play in the movement of human descendants from Africa?

    -Climate change was a significant factor that allowed these descendants to move out of Africa. They waited for climate changes that made it possible to migrate, spreading north into Europe and east along the coast of the Indian Ocean.

  • What challenges did the ancestors face as they moved through the tropical rainforests of Southeast Asia?

    -They faced challenges such as adapting to rainforest conditions, dealing with a lack of meat leading to reduced stature, and encountering venomous snakes and predatory animals. They also had to disguise themselves and imitate animal calls to hunt effectively.

  • Why is there a lack of archaeological evidence between Africa and Australia for the migration of modern humans?

    -There is a lack of archaeological evidence because sea levels were 160 feet lower during the migration period, and any evidence left behind on coastal journeys has been reclaimed by the sea, leaving the genetic trail as the primary evidence.

  • What was the significance of the Toba eruption in Sumatra for the genetic and archaeological evidence of human migration?

    -The Toba eruption provided a significant time marker for the migration. It created a volcanic winter and left a layer of ash that covered areas like Malaysia and India. The tools found embedded in this ash layer, dated to 74,000 years ago, provide tangible evidence of modern humans' presence in Southeast Asia.

  • Who are the Orang Asli and Samang groups, and why are they significant in the study of human migration?

    -The Orang Asli and Samang groups are among the oldest people in the Malay Peninsula, Malaysia. They are significant because they might be the surviving remnant of the Out of Africa family that migrated through the region around the time of the Toba eruption. Their unique genetic lines could provide evidence of their early migration and isolation.

  • What does the genetic survey of the Samang group suggest about their origins?

    -The genetic survey suggests that the Samang group has unique genetic lines that trace back to the first two daughters of Eve outside Africa, indicating they may have been part of the first beachcombing trip 75,000 years ago and have been isolated since that time.

  • How do the findings from the Kota Tampan site support the theory of human migration from Africa to Australia?

    -The Kota Tampan site provides the first tangible evidence of modern humans' presence in Southeast Asia, with stone tools found embedded in ash dated to 74,000 years ago. Combined with genetic evidence, these findings support the theory that modern humans migrated from Africa to Australia via Southeast Asia.

Outlines

00:00

🌏 Out of Africa: The Great Human Migration

The video script discusses the genetic evidence supporting the theory of a single exodus of modern humans from Africa around 80,000 years ago. This migration led to the diversification of human populations across the globe, adapting physically and culturally to their new environments. The script highlights the journey of our ancestors from Africa to the Middle East, Europe, and Southeast Asia, and the challenges they faced, such as the Toba volcanic eruption in Sumatra 74,000 years ago, which had a significant impact on the world's climate and possibly influenced the migration patterns.

05:04

🧬 Genetic Traces of Ancient Migrations

The script focuses on Stephen Oppenheimer's research into the genetic lineage of the 'Out of Africa' theory, specifically the mitochondrial DNA that suggests a common ancestry for all non-African populations. The narrative explores the possibility that the Orang Asli, a group of indigenous people in the Malay Peninsula, could be descendants of this ancient migration. Oppenheimer's visit to a remote Saman village to collect DNA samples aims to confirm if these people have unique genetic lines that trace back to the first humans who left Africa, providing clues about the timing and route of this ancient journey.

10:05

🔍 Archaeological Evidence of Early Human Presence in Southeast Asia

This part of the script delves into the archaeological findings that support the genetic evidence of early human migration. The discovery of stone tools in Kota Tampan, embedded in volcanic ash dated back to 74,000 years ago, provides tangible proof of modern humans' presence in Southeast Asia. The tools, indicative of a complex and organized mind, are seen as the first evidence of the journey from Africa to Australia. The script suggests that combining these archaeological findings with genetic tests could provide conclusive proof of the ancient migration route and timeline.

Mindmap

Keywords

💡Mitochondrial DNA

Mitochondrial DNA (mtDNA) is genetic material found in the mitochondria of cells, which are responsible for energy production. It is inherited solely from the mother and is used to trace maternal lineage. In the video, mitochondrial DNA is crucial for understanding human ancestry and migration patterns, as it suggests a single genetic line shared by all non-African populations, indicating a common maternal ancestor.

💡Out of Africa

The 'Out of Africa' theory posits that anatomically modern humans originated in Africa and migrated to other parts of the world. This theory is central to the video's narrative, as it discusses the migration of humans from Africa to various parts of the world, leading to the diversification of populations and cultures.

💡Genetic Line

A genetic line refers to the inherited genetic material passed down through generations. The video emphasizes the significance of a single genetic line that connects all non-African populations, suggesting a common ancestry and a unified migration event from Africa.

💡Diversification

Diversification in this context refers to the process by which a small group of humans diversified into physically and culturally distinct populations as they migrated and adapted to different environments. The video illustrates how this small group from Africa diversified into various populations such as Australians, Southeast Asians, and Europeans.

💡Physical Adaptation

Physical adaptation refers to changes in the physical characteristics of a species in response to environmental pressures. The video discusses how humans adapted physically to their new environments, such as developing lighter skin in the tropical rainforests away from the harsh African sun.

💡Toba Eruption

The Toba eruption refers to a massive volcanic event that occurred in Sumatra about 74,000 years ago. The video uses the Toba eruption as a temporal marker for human migration, suggesting that the genetic and archaeological evidence points to human presence in the region at the time of this event.

💡Orang Asli

Orang Asli are the indigenous people of the Malay Peninsula. The video suggests that the Orang Asli, particularly the Semang group, could be a surviving remnant of the early human migration out of Africa, based on their unique genetic lines and the archaeological evidence found in the region.

💡Genetic Trace

A genetic trace is evidence of a population's ancestry and migration patterns found in their DNA. The video discusses the importance of finding a genetic trace of the early human migration out of Africa, which could confirm the theory of a single exodus and subsequent diversification.

💡Sunda Continent

The Sunda Continent refers to a biogeographical region of Southeast Asia that was exposed during the last ice age due to lower sea levels. The video mentions the Sunda Continent as the landmass that connected many of the Southeast Asian islands, facilitating the migration and genetic journey of early humans.

💡Archaeological Evidence

Archaeological evidence includes artifacts, structures, and other physical remains that provide information about past human activity. The video highlights the discovery of stone tools embedded in volcanic ash dated to 74,000 years ago as crucial archaeological evidence supporting the theory of human presence in Southeast Asia during the time of the Toba eruption.

💡Homo Sapiens

Homo sapiens is the Latin term for modern humans, which belong to the species that has the capacity for complex thought, language, and culture. The video discusses the evidence of Homo sapiens' presence in Southeast Asia, indicating a rational and organized mind as seen through their stone tool technology.

Highlights

A single genetic line shared by all non-African people suggests a common ancestry.

The implications of a single exodus from Africa are profound, indicating a shared origin for diverse populations.

The journey of a small group from Africa to various parts of the world in the last 80,000 years led to significant diversification.

Adaptation to new environments resulted in physically and culturally distinct populations.

The descendants of the initial group became the people of the Middle East, spreading into Europe 40,000 years later.

Some ancestors continued eastward, moving along the coast of the Indian Ocean, adapting to the tropical rainforests of Southeast Asia.

The lack of archaeological evidence between Africa and Australia is due to lower sea levels, which have submerged coastal journeys.

The great Toba eruption in Sumatra 74,000 years ago provides clues about the family's journey.

The orang Asli group in Malaysia, particularly the Semang, are among the oldest people in the region, potentially linked to the Out of Africa migration.

Stephen Oppenheimer's genetic survey aims to confirm if the Semang are remnants of the first Out of Africa group.

The genetic lines and mitochondrial DNA of the Semang could reveal if they have been isolated since the migration.

Screw tools found in Kota Tampan, embedded in volcanic ash dated 74,000 years ago, are the first tangible evidence of modern man's presence in Southeast Asia.

The tools from Kota Tampan are crucial for dating the journey from Africa to Australia and could validate the genetic evidence.

The genetic results are exciting, suggesting the Semang may have been part of the first beachcombing trip 75,000 years ago.

The sea levels were 160 feet lower, connecting the islands of Southeast Asia into the Sunda continent, facilitating the genetic journey.

Archaeology and genetics provide the same answer, confirming our ancestors' migration path 74,000 years ago.

Transcripts

play00:00

a thousand years for the mitochondrial

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line to be reduced to one one genetic

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line is shared by all non-african people

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everywhere throughout history it's a

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single line that convinces Stephen

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Oppenheimer he is right about our

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ancestry

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I I think the implications of the single

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Exodus from Africa are enormous

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for a start there's a simple observation

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that Australians new guineans Southeast

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Asians Chinese Native Americans

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Europeans and Indians all come from the

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same small group

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[Music]

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that means that this small group in the

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last eighty thousand years has

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Diversified enormously into completely

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physically different populations in

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different parts of the world that have

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adapted physically and culturally to the

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new environments that they've found and

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they've explored

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thank you

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in the Gulf even are out of Africa

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families stay put waiting until the

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climate changes allowed them to move

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their descendants would be the people of

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the Middle East spreading North into

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Europe 40 000 years later and founding

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the vibrant Cosmopolitan cities we know

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today

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[Music]

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others would continue past the gulf

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moving East beachcombing their way along

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the coast of the Indian Ocean looking

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for warmer gentle places to stop

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within six thousand years of reaching

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the Yemen beaches our ancestors would

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eat their way to Malaysia

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six thousand miles from Africa our

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family are deep in the tropical

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rainforests of Southeast Asia these are

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the descendants that he hunting in the

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jungles of Malaya

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roaming as small bands staying in one

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place long enough to reap the Harvest of

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Wildlife and then moving on

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yeah

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their bodies are beginning to adapt to

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the rainforest conditions away from the

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harsh African Sun their scans become

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lighter the statute reduced by lack of

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meat

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like Hunter gathers in the jungle today

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they live on fish rats squirrel and

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lizards on canopy gain fruits and roots

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they disguise and camouflage themselves

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to conform to the foliage and imitate

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animal calls to deceive their Quarry

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[Applause]

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life in the forest is shed with venomous

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snakes cobras pythons and predatory

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animals

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between leaving Africa and arriving in

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Australia there's no clear

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archaeological evidence of the presence

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of modern humans or their amazing

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migration no skulls no skeletons or

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Graves sea levels were 160 feet lower so

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whatever our family left behind on their

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Coastal Journeys have been reclaimed by

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the Sea the genetic Trail is all we have

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it's not until we reach Malaysia that

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new evidence begins to fill in the gaps

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thank you

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the great Toba eruption in Sumatra 74

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000 years ago was the single biggest

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explosion in the last two million years

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the plume was 25 miles high and plunged

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much of the world into six dark years of

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volcanic winter

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Northern Malaysia India and the Middle

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East were covered in a deadly shroud of

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thick volcanic ash

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all right

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[Music]

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[Music]

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foreign

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[Music]

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[Music]

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[Music]

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[Music]

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[Music]

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[Music]

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foreign

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[Music]

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explosion the most destructive event in

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the last two million years provides

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positive clues about our family's

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Journey

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these are the cement people shy

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hunter-gatherers of the Interior jungles

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in the lake Peninsula much darker than

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the other Malaysian people surround them

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they are part of the orang Ashley group

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thank you

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Stephen Oppenheimer thinks they could be

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this surviving remnant of our Out of

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Africa family that came through here 74

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000 years ago

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if our ancestors had passed this way on

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their route from Africa to Australia and

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New Guinea it's likely they would have

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left a genetic Trace

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and we know from previous surveys that

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the orangasly as a group of tribes in

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the Malay peninsula of Malaysia

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are among the oldest people in this

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region and the samang are probably the

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oldest of all

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Stephen Oppenheimer has come to this

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remote saman Village to collect swap

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samples of DNA the easy hopes will

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confirm his idea

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if my theory is correct that they left

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Africa 80 000 years ago they would have

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had to have traveled six thousand miles

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to get here in six thousand years in

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order to be here at the time of the

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great Tober explosion that means about a

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mile a year which is entirely feasible

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for that sort of nomadic lifestyle of

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moving down the coast but to determine

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whether or not they belonged to that

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first Out of Africa group we need to

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look at their genetic lines and in

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particular their mitochondrial DNA those

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will tell us whether or not they come

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straight out of the two daughters of Eve

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that originated just outside Africa

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if they have their own unique lines that

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suggests they've been isolated since

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that time 70 or 80 000 years ago

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and that they have developed completely

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on their own if on the other hand we

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might even find that their lines are

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ancestral to people further down the

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line like the Australians or the new

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guineans

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again our genetic tracing will help us

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to see whether or not that's the case

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the genetic survey may prove the cement

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or an ancient race but it can't tell us

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exactly when they were here we have to

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look for other evidence to validate the

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theory

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screw tools were found in the wooded

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Valley called Kota tampan near Penang

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there are other sites nearby with the

play10:33

same sort of tools what makes these so

play10:36

particularly interesting is they are

play10:38

embedded in the fall of October Ash

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dated 74 000 years ago

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professors

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was looking for an ancient river Terrace

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where she stumbled upon the coda tampan

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site where Professor Majid had actually

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found was a stone tool Workshop which

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could be pinpointed to 74 000 years ago

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thank you

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[Music]

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the ash covered the working floor that

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Ash has been dated to 74 000 years ago

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[Music]

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this is a hammer stone that they use

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and you can see that it's very

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comfortable to hold it in the hand and

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this is The Edge that was used

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[Music]

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this is a chopper

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a type that's seen in a lot of Asia and

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Southeast Asia they

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what they were after was the edge angle

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the edge angle had to be right

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and the edge had to be sharp this is

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used for heavy duty work it's heavy it's

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got a sharp edge probably for failing

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trees

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is convinced that they were left by

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Modern Man

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also revealed man who had a complex mind

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his Stone tool technology revealed a

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rational

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systematic and organized mind the mind

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of homo sapiens

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[Music]

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East coated tampan tools are crucial for

play12:47

the dating of modern man's presence in

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Southeast Asia they are the first

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tangible evidence we have of the whole

play12:54

journey from Africa to Australia

play12:56

combined with Stephen oppenheimer's

play12:58

genetic tests they could be real proof

play13:02

of our ancient migration

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[Music]

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has he found the evidence he needs

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[Music]

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foreign

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[Music]

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for the first time archeology and

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genetics gives us the same answer at

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this crucial point in our journey now we

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can be sure that our ancestors came this

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way 74 000 years ago

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[Music]

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the results are very exciting the orange

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Isley the samang group here have their

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own unique genetic lines which suggest

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that they may have been in that first

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beachcoming trip 75 000 years ago

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they have their own unique lines coming

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out of the first two daughters of Eve

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outside Africa and they trace right back

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there and are not shared with anyone

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else in Southeast Asia or in East Asia

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at that time the sea levels were 160

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feet lower most of the islands of

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Southeast Asia were joined together into

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the single landmass of the Sunda

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continent

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[Music]

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survivors of tobus volcanic winter would

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take our genetic Journey onto its next

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great move

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the unknown continent of Australia

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Étiquettes Connexes
Human MigrationGenetic EvidenceArchaeological FindsOut of AfricaAncient HistorySunda ContinentToba EruptionCultural AdaptationAncestral JourneyHominid Evolution
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