Why are these 32 symbols found in ancient caves all over Europe?
11:55
TEDGenevieve von Petzinger
Why are these 32 symbols found in ancient caves all over Europe?
Written language, the hallmark of human civilization, didn't just suddenly appear one day. Thousands of years before the first fully developed writing systems, our ancestors scrawled geometric signs across the walls of the caves they sheltered in. Paleoanthropologist, rock art researcher and TED Senior Fellow Genevieve von Petzinger has studied ...
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