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African beads show 4,000-year-old trade

The recent unearthing of ancient African beads has shed new light on the extensive trading systems that existed some 4,000 years ago. These discoveries have expanded our knowledge of international ...
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Ancient African populations were isolated for 100,000 years—and their genetics are completely different

In a new study published in Nature, researchers revealed the extraordinary genetic divergence of ancient human populations from southern Africa. Isolated for nearly 100,000 years, these early humans ...