News
Sunken body found by divers offers clues to American origins
The ancient remains of a teenage girl discovered deep underground in Mexico are providing additional insights on how the Americas came to be populated.
Divers found the juvenile’s bones by chance in a vast, flooded limestone chamber on the Yucatan Peninsula.
Aged 15 or 16 at death, the girl lived at least 12,000 years ago.
Researchers have told Science Magazine her DNA backs the idea that the first Americans and modern Native American Indians share a common ancestry.
This theory argues that people from Siberia settled on the land bridge dubbed Beringia that linked Asia and the Americas some 20,000 years ago before sea levels rose.
These people then moved south to populate the American continents.
The genetics of modern Native Americans would certainly appear to link them into this story. But their facial features set them apart from the oldest skeletons now being unearthed.
These ancient people had narrower, longer skulls. The differences have hinted that perhaps there were multiple immigrations from Siberia (or even Europe).
However, the remains of the Yucatan girl, dubbed Naia – which means “water nymph” in Greek – does not follow that line of thinking, because although she had the slender features associated with the earliest Americans, her DNA shares commonalities with modern Native Americans.
Lab analysis of teeth and bone samples link her to a particular genetic lineage known as Haplogroup D1.
This same marker is found in substantial numbers of modern Native Americans.
“This lineage is thought to have developed in Beringia, the land that now lies beneath the Bering Sea after its ice age occupants became genetically isolated from the rest of Asia,” explained lead author Dr Jim Chatters.
“Thus, Naia, one of the earliest occupants of the Americas yet found, suggests that Paleoamericans do not represent an early migration from a part of the world different than that of the Native Americans.
“Rather, Paleoamericans and Native Americans descended from the same homeland in Beringia.
“The differences between them likely arose from evolution that occurred after the Beringian gene pool became separated from the rest of the world.”
You can read more on this story here.
Source: www.bbc.co.uk/news
Photo: Roberto Chavez Arce
Blogs
Discover Curaçao with the Ultimate Dive Vacation Guide – 2024 DEMA Special Edition
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News
Santa Divers take the Plunge for Charity
Ho Ho Ho! Vobster Quay’s recording-breaking charity Santa diving event returns on Sunday 15th December 2024 for another round of festive fundraising frivolities. Run in aid of the Royal National Lifeboat Institution (RNLI) and Help For Heroes, this ever-popular annual fundraising event aims to raise sack-loads of cash for these two very deserving charities.
Divers of all levels are invited to grab their Santa outfits – and as much festive cheer as they can muster – and head down to Vobster Quay near Mells, Somerset for a mass sponsored Santa dive in aid of charity. In previous years, the event has attracted divers from the far corners of the UK to join in the festive merriment for a final festive dive before the Christmas and New Year break. Back in 2015, the event smashed the world record for the most Santa divers with 188 divers taking to the waters donning their festive finery – a record that remains unbeaten to this day!
Vobster Santas isn’t just about setting records – it’s also about raising some serious cash for charity. Vobster Quay encourages all divers to get into the spirit of the season to raise much-needed funds for two very deserving charities – the Royal National Lifeboat Institution (RNLI) and Help For Heroes.
Through individual sponsorship and online donations, divers can invite their friends, family and work colleagues to sponsor them to plunge into the balmy waters of Vobster Quay dressed in full festive finery. Since the very first Santa dive in 2007, the event has raised over £52,000 for charity. “It’s been over 17 years since the very first charity Santa dive took place at Vobster Quay and every year the event just keeps getting bigger and better” enthused Vobster Quay owner, Amy Stanton.
“Vobster Santas is a great way for divers to say a massive thank you to the both the RNLI and Help For Heroes – two very deserving charities close to our hearts. We’re immensely proud of all that Vobster Santas has achieved and hope that even more divers will join this year’s event on Sunday 15th December. I’m confident that we can make Vobster Santas 2024 the biggest yet!”.
Divers wishing to participate can get involved by simply registering their attendance at
www.vobster.com/event-vobstersantas.php.
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