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Researchers say fossil shows humans, dogs lived in C. America in 10,000 BC

AFP

The fossil of a jaw bone could prove that domesticated dogs lived in Central America as far back as 12,000 years ago, according to a study by Latin American scientists.

The dogs, and their masters, potentially lived alongside giant animals, researchers say.

A 1978 dig in Nacaome, northeast Costa Rica, found bone remains from the Late Pleistocene.

Excavations began in the 1990s and produced the remains of a giant horse, Equus sp, a glyptodon (a large armadillo), a mastodon (an ancestor of the modern elephant) and a piece of jaw from what was originally thought to be a coyote skull.

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“We thought it was very strange to have a coyote in the Pleistocene, that is to say 12,000 years ago,” Costa Rican researcher Guillermo Vargas told AFP.

“When we started looking at the bone fragments, we started to see characteristics that could have been from a dog.

“So we kept looking, we scanned it… and it showed that it was a dog living with humans 12,000 years ago in Costa Rica.”

The presence of dogs is a sign that humans were also living in a place.

“We thought it was strange that a sample was classified as a coyote because they only arrived in Costa Rica in the 20th century.”

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– First of its kind –

The coyote is a relative of the domestic dog, although with a different jaw and more pointed teeth.

“The dog eats the leftovers from human food. Its teeth are not so determinant in its survival,” said Vargas.

“It hunts large prey with its human companions. This sample reflects that difference.”

Humans are believed to have emigrated to the Americas across the Bering Strait from Siberia to Alaska during the last great ice age.

“The first domesticated dogs entered the continent about 15,000 years ago, a product of Asians migrating across the Bering Strait,” said Raul Valadez, a biologist and zooarcheologist from the National Autonomous University of Mexico.

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“There have never been dogs without people,” Valadez told AFP by telephone.

The presence of humans during the Pleistocene has been attested in Mexico, Chile and Patagonia, but never in Central America, until now.

“This could be the oldest dog in the Americas,” said Vargas.

So far, the oldest attested dog remains were found in Alaska and are 10,150 years old.

Oxford University has offered to perform DNA and carbon dating tests on the sample to discover more genetic information about the animal and its age.

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The fossil is currently held at Costa Rica’s national museum but the sample cannot be re-identified as a dog without validation by a specialist magazine.

“This dog discovery would be the first evidence of humans in Costa Rica during a period much earlier” than currently thought, said Vargas.

“It would show us that there were societies that could keep dogs, that had food surpluses, that had dogs out of desire and that these weren’t war dogs that could cause damage.”

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International

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Speaking at an event with Republican senators on Wednesday, Trump described the results as an unexpected setback.

“These were very Democratic areas, but I don’t think it was good for Republicans. In fact, I don’t think it was good for anyone. But we had an interesting night and we learned a lot,” he said during remarks broadcast by the White House.

Trump agreed with pollsters that two key factors led to Republican losses in New York’s mayoral race and the gubernatorial contests in New Jersey and Virginia.

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International

Bolivia’s Jeanine Áñez freed after Supreme Court annuls her conviction

Former Bolivian interim president Jeanine Áñez was released from a women’s prison in La Paz on Thursday, where she had spent more than four and a half years for an alleged coup, after her conviction was annulled, AFP journalists confirmed.

Dozens of supporters and family members gathered outside the facility to celebrate her release. Áñez left the prison waving a Bolivian flag around 15:00 GMT.

“It is comforting to see that justice will once again prevail in Bolivia. She was the only woman who took on the role with bravery and courage,” said Lizeth Maure, a 46-year-old nurse who had come to show her support.

Áñez, a 58-year-old lawyer and conservative politician, governed Bolivia for nearly a year until November 2020, when she handed power to leftist leader Luis Arce.

She was arrested in 2021 and sentenced the following year to 10 years in prison for “resolutions contrary to the Constitution,” accused of illegally assuming the presidency after Evo Morales resigned in 2019 amid social unrest.

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Her sentence was overturned on Wednesday by the Supreme Court of Justice, Bolivia’s highest judicial authority.

The court ruled that Áñez should have been subjected to a “trial of responsibilities” before Congress— a constitutional process reserved for sitting presidents, vice presidents, ministers, and top judges — rather than prosecuted in an ordinary criminal court.

As she was welcomed by relatives and supporters upon release, Áñez declared:
“I feel the satisfaction of having fulfilled my duty to my country, of never having bowed down. And I will never regret having served Bolivia when it needed me.”

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International

Peru declares Mexico’s president Persona Non Grata over political asylum dispute

Peru’s Congress declared Mexican President Claudia Sheinbaum persona non grata on Thursday, accusing her of “unacceptable interference in internal affairs” after granting political asylum to former Peruvian Prime Minister Betssy Chávez.

The motion, introduced by right-wing parties, passed with 63 votes in favor, 33 against, and two abstentions. Lawmakers argue that Sheinbaum has maintained a hostile stance toward Peru since taking office.

Peru severed diplomatic relations with Mexico on Monday following the asylum decision. Chávez, who is facing charges for her alleged involvement in former President Pedro Castillo’s failed coup attempt in December 2022, remains under protection at the Mexican embassy residence in Lima.

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The Mexican government condemned Lima’s decision as “excessive and disproportionate,” asserting that offering asylum to Chávez is a legitimate act grounded in international law and does not constitute interference in Peru’s domestic matters.

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