7,000 Years Ago, Almost All Men Mysteriously Vanished
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round 7,000 years ago, something strange happened to humanity—something that affected men in a way unlike any known biological event. Over the course of just a few thousand years, the diversity of the Y chromosome, passed from father to son, collapsed so dramatically that it was as if only one man reproduced for every seventeen women. This phenomenon, known as the Neolithic Y-chromosome bottleneck, has puzzled scientists for years. Why would male genetic lineages disappear so suddenly, while female lineages remained largely unaffected? Traditional explanations like disease, climate change, or natural disasters fail to account for this imbalance. In this video, we explore a groundbreaking explanation that links this genetic mystery not to nature alone, but to human behavior—specifically the rise of agriculture, the formation of patrilineal clans, and the brutal reality of ancient warfare. Through genetics, archaeology, and modern simulations, researchers are uncovering evidence that e
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