The eyed needle, invented approximately 30,000 years ago, enabled early humans to create water-resistant clothing by stitching seams tightly and using sinew that swells when wet to seal stitch holes, representing a revolutionary technological advancement that allowed humans to trap heat, survive harsh Ice Age conditions, and migrate across continents, providing survival advantages far more profound than any weapon.
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Ice Age Gore-Tex: The Tech That Saved Humanity追加:
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