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It became the basis for most written languages, beginning 4,000 years ago in the Sinai desert. 📺 Watch the full episode, Human: Building Empires: https://www.pbs.org/wgbh/nova/video/human-building-empires/ 📰 Stay up to date on the latest science discoveries, full episodes, articles, videos, and more by signing up for NOVA's newsletter ...
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