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New research suggests the first Americans may have reached the New World thousands of years earlier than initially thought.
The “Clovis First” theory suggested that the Clovis people were the first to cross the Bering Land Bridge that once connected Asia with North America at a time when sea levels were lower, more than 10,000 years ago.
But new research has found that the arrival of the “first Americans” may have been much earlier, said Live Science. Recent genetic studies suggest that humans could have arrived in the Americas around 20,000 to 23,000 years ago, descending from Ancient North Siberians and East Asians. And other archaeological discoveries “hint that people may have reached the Americas far earlier than that”.
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Archaeological sites such as White Sands National Park in New Mexico point at human presence in the Americas even earlier, with fossilised footprints indicating this could have been up to 26,500 years ago.
Sites like the one in New Mexico could have “big implications” for how the first people arrived in the Americas, added Live Science. With the first ice-free corridor thought to have fully opened only 13,800 years ago, it is likely that the first Americans travelled along the Pacific coast, a journey that could have been made by “foot, by watercraft, or both”.
No archaeological proof of boat journeys has yet been found, but there is “evidence that suggests that people had the capability to do large ocean crossings”, according to David Meltzer, professor of prehistory at Southern Methodist University in Dallas. For example, people used boats to reach Australia by around 50,000 years ago.
‘Oldest known jewellery in the Americas’Further recent archaeological findings suggest that “what is now central-west Brazil was settled as early as 27,000 years ago”, meaning that the first Americans may have inhabited the continent during the Ice Age, said The New York Times.
That is the conclusion of a paper published in the journal Proceedings of the Royal Society B, which was based on the analysis of three bones from an extinct giant ground sloth. The sloth bones, discovered 28 years ago in the Santa Elina rock shelter, “showed signs of having been modified into primordial pendants”, said the NYT, “with notches and holes that researchers said could only have been created by people”.
It would make the sloth bones “the oldest known jewelry unearthed in the Americas” and possibly the earliest known evidence of human occupation in the Americas.
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