A long-standing theory states that humans first entered the Americas by crossing the Bering Land Bridge 13,000 years ago.
Read More Humans arrived in America around 30,000 years ago: A new study
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Ancient conch shell horn blows after about 18,000 years
Researchers, while analysing materials from the archaeological excavations of Marsoulas cave in France, found a large Charonia lampus shell.
Read More Ancient conch shell horn blows after about 18,000 years