Category Archives: Ancestors

The case for pre-Toba peoples reaching Australia is strengthened

The theory has been that it was post-Toba waves of humans which reached Australia around 40,000 years ago at the earliest. But evidence is emerging that humans were in Austalia at least 65,000 years ago. That would suggest that the first human Australians came either directly from a pre-Toba expansion or post-Toba from peoples in SE Asia who had themselves originated from a pre-Toba expansion. Continue reading

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The peopling of the Indian sub-continent

I suspect that the origins of Hinduism and guild-based caste system lies here in the clash and interaction and intermixing of the proto-Dravidian speaking hunter gatherers and the Indo-European speaking agricultarlists, with the Indis-Saraswati Valley being the melting pot rather than a battle ground. Continue reading

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Yellow River sedimentary evidence dates the Great Flood of China, and the start of the Xia dynasty, at 1920 BCE

The earliest historical records of Yu start only about 1,000 years after his death. It was thought that Yu lived around 2,200 BCE. A new paper in Science reports on studies of Yellow River sediments and suggest that the cause of the flood was a landslide, caused by an earthquake, that planted a massive natural dam across the Yellow River where it travels through the Jishi Gorge after emerging from the Tibetan plateau. Continue reading

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When humans were prey for hyenas

Human ancestors had rudimentary control of fire some 1.5 – 2 million years ago, and that was the single event that led to the inevitable journey to becoming the dominant species. But though fire made dominance inevitable, it was a slow process. A new paper shows that tooth marks on the bones of a 500,000 year old hominin were caused by a large carnivore and indicating that the hominin had been consumed. Continue reading

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An Indus-Saraswati Valley map

A detailed map of the Indus-Saraswati Valley showing pre-harappan, Harappan and post Harappan sites and the presumed course of the river Saraswati. Continue reading

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Finding Harappan ancestors

This intermingling over about 1000 years, of Harappans with those already settled from previously blended populations (pre and post-Toba) is probably one of the key gene dispersal mechanisms on the sub-continent. Continue reading

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Our Neanderthal genes may have come mainly from their females

So I imagine the decline of the Neanderthals taking some 20-30,000 years as AMH expanded westwards and the decline of the Denisovans probably starting a little later but taking somewhat less time. The encounters and admixing probably only occurred with the tribes and bands at the frontiers. Continue reading

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