90% of Ancient Humans Vanished. We Reconstructed Their History (ft. David Reich)

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The genetic differences we obsess over. The basis for nationalism, racism and tribal thinking emerged in just the last 70,000 years. David Reich is about to show us that the past is far stranger, more violent, and more interconnected than we could ever have imagined. 90% population replacements happened in just a few centuries in the blink of a cosmic eye. David and his team reconstructed human migration patterns and discovered ghost populations, entire civilizations that vanished without any archeological trace. These people built Stonehenge. These people crossed into the Americas. These people left no trace who they are, except for the code that lurks within each of us.

KEY TAKEAWAYS

00:00 Ancient vs. Modern Populations

08:55 Ancient DNA Extraction Methods

11:55 Ancient DNA Extraction Process

16:10 "Decoding the Genetic Code"

24:41 "Neanderthals, Denisovans, Human Genomics"

31:05 "DNA Fragmentation Across Generations"

35:54 "Calibration, Culture, and Heritage"

39:34 Identity, Connection, and Myth Making

47:58 "Future Linguistic Biases and Bottlenecks"

50:44 Human Ancestry and DNA Depth

56:13 "Origins, Identity, and Genetic Stories"

01:02:39 "Dream Specimens and Cosmic Mysteries"

01:06:57 "Decoding Humanity's Collective Memory"

01:10:58 Ancient Origins and Human Connections

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