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Humans May Have Used These Mysterious Symbols to Encode Information Tens of Thousands of Years Before the First Writing Systems
2+ hour, 20+ min ago (487+ words) More from Smithsonian magazine Sarah Kuta - Daily Correspondent Roughly 40,000 years ago, humans living in present-day Europe carved a variety of geometric signs into pendants, tools and figurines. Now, according to a new paper in the journal'PNAS, researchers claim the mysterious…...